Alternatives to Elasticsearch
Compare Elasticsearch alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Elasticsearch in 2026. Compare features, ratings, user reviews, pricing, and more from Elasticsearch competitors and alternatives in order to make an informed decision for your business.
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Couchbase
Couchbase
Couchbase’s operational data platform for AI is a scalable foundation for enterprise operational, analytical, mobile and AI workloads that replaces legacy infrastructure and data services. Bring your data to life in new ways with Couchbase’s enterprise data partnership: launch game-changing customer experiences, explore the infinite possibilities of AI, scale your global operations, and move your data from the cloud to the edge, and beyond. Couchbase’s operational data platform for AI eliminates fragmented tech stacks, so teams can stay innovative and agile, with less risk and lower cost of ownership. With enterprise partnership and scalable, AI-ready technology, Couchbase turns your data into the foundation for your next breakthrough. -
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MongoDB Atlas
MongoDB
The most innovative cloud database service on the market, with unmatched data distribution and mobility across AWS, Azure, and Google Cloud, built-in automation for resource and workload optimization, and so much more. MongoDB Atlas is the global cloud database service for modern applications. Deploy fully managed MongoDB across AWS, Google Cloud, and Azure with best-in-class automation and proven practices that guarantee availability, scalability, and compliance with the most demanding data security and privacy standards. The best way to deploy, run, and scale MongoDB in the cloud. MongoDB Atlas offers built-in security controls for all your data. Enable enterprise-grade features to integrate with your existing security protocols and compliance standards. With MongoDB Atlas, your data is protected with preconfigured security features for authentication, authorization, encryption, and more. -
3
Grafana Cloud
Grafana Labs
Grafana Labs delivers the leading AI-powered observability platform, built around Grafana—the world’s most widely adopted open source technology for dashboards and visualization. Recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Observability Platforms, Grafana Labs supports more than 25 million users and thousands of organizations, from startups to the Fortune 500. Grafana Cloud is the open observability cloud, built on open source, open standards, and open ecosystems. Powered by the LGTM stack—Grafana (visualization), Mimir (metrics), Loki (logs) & Tempo (traces)—it unifies telemetry in one platform for full-stack visibility across applications, infrastructure, and digital experiences. With the AI-powered Grafana Assistant and Adaptive Telemetry suite, teams detect and resolve issues faster, reduce wasteful telemetry spend, and gain real-time insights to ensure reliability. Native OTel support and 100s of integrations mean you can plug in existing tools & data sources. -
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AddSearch
AddSearch
AddSearch goes beyond traditional site search with AI Answers and AI Conversations, enabling businesses to deliver direct, conversational, and context-aware responses. Combined with lightning-fast search and smart recommendations, AddSearch helps organizations create personalized, engaging digital experiences across websites and applications. Trusted by nearly 2,000 global customers in Media, Telecommunications, Government, Education, and more. AddSearch offers enterprise-grade features including advanced GenAI capabilities, personalization, advanced analytics, and SLA up to 99.999%. It works with any CMS, supports crawler or API-based indexing, and provides full setup services to save developer time. Built to deliver powerful search with AI Answers and Conversations that elevate digital experiences for website visitors—without adding complexity. -
5
StarTree
StarTree
StarTree, powered by Apache Pinot™, is a fully managed real-time analytics platform built for customer-facing applications that demand instant insights on the freshest data. Unlike traditional data warehouses or OLTP databases—optimized for back-office reporting or transactions—StarTree is engineered for real-time OLAP at true scale, meaning: - Data Volume: query performance sustained at petabyte scale - Ingest Rates: millions of events per second, continuously indexed for freshness - Concurrency: thousands to millions of simultaneous users served with sub-second latency With StarTree, businesses deliver always-fresh insights at interactive speed, enabling applications that personalize, monitor, and act in real time.Starting Price: Free -
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Algolia
Algolia
Algolia is a search and discovery API platform for building powerful and composable experiences while solving for relevance with AI and configurable rules. Algolia Search enables our customers to design and implement unique search experiences using the design language of their choice. Algolia Recommend is a robust API that allows you to add “frequently bought together” and “related items” into any digital experience with as little as 6 lines of code.Starting Price: $0 -
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SearchStax
SearchStax
SearchStax offers end-to-end search solutions for better search with site search on the frontend and hosted Solr infrastructure on the backend. We have over 700 customers in 20+ countries. Site Search for Websites Made Easy SearchStax Site Search delivers advanced, modern and personalized site search for your website or custom application: • Best-In-Class search experience • Actionable search insights for managers and executives • Self-service tools for the marketing team that don’t need developers to update and optimize the search experience • Quick Implementation for developers Fully-Managed Solr Service in the Cloud SearchStax Managed Search is a fully-managed, hosted Solr service that automates, manages and scales high-availability Solr infrastructure in public or private clouds: • Build faster and spend more time on value-added tasks • Scale faster through automation • Reduce costs through lower incidents and SLAStarting Price: $37/month -
8
MongoDB
MongoDB
MongoDB is a general purpose, document-based, distributed database built for modern application developers and for the cloud era. No database is more productive to use. Ship and iterate 3–5x faster with our flexible document data model and a unified query interface for any use case. Whether it’s your first customer or 20 million users around the world, meet your performance SLAs in any environment. Easily ensure high availability, protect data integrity, and meet the security and compliance standards for your mission-critical workloads. An integrated suite of cloud database services that allow you to address a wide variety of use cases, from transactional to analytical, from search to data visualizations. Launch secure mobile apps with native, edge-to-cloud sync and automatic conflict resolution. Run MongoDB anywhere, from your laptop to your data center.Starting Price: Free -
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IBM Instana
IBM
IBM Instana is the gold standard of incident prevention with automated full-stack visibility, 1-second granularity and 3 seconds to notify. With today’s highly dynamic and complex cloud environments, the average cost of an hour of downtime can reach six figures and beyond. Traditional application performance monitoring (APM) tools simply aren’t fast enough to keep up or thorough enough to contextualize the issues identified. Also, they are typically limited to super users who must complete months of training to learn. IBM Instana Observability goes beyond traditional APM solutions by democratizing observability so anyone across DevOps, SRE, platform engineering, ITOps and development can get the data they want with the context they need. Instana Dynamic APM operates using the Instana agent architecture, which incorporates sensors—lightweight, automated programs tailored to monitor specific entities.Starting Price: $75 per month -
10
Redis
Redis Labs
Redis Labs: home of Redis. Redis Enterprise is the best version of Redis. Go beyond cache; try Redis Enterprise free in the cloud using NoSQL & data caching with the world’s fastest in-memory database. Run Redis at scale, enterprise grade resiliency, massive scalability, ease of management, and operational simplicity. DevOps love Redis in the Cloud. Developers can access enhanced data structures, a variety of modules, and rapid innovation with faster time to market. CIOs love the confidence of working with 99.999% uptime best in class security and expert support from the creators of Redis. Implement relational databases, active-active, geo-distribution, built in conflict distribution for simple and complex data types, & reads/writes in multiple geo regions to the same data set. Redis Enterprise offers flexible deployment options, cloud on-prem, & hybrid. Redis Labs: home of Redis. Redis JSON, Redis Java, Python Redis, Redis on Kubernetes & Redis gui best practices.Starting Price: Free -
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Azure AI Search
Microsoft
Deliver high-quality responses with a vector database built for advanced retrieval augmented generation (RAG) and modern search. Focus on exponential growth with an enterprise-ready vector database that comes with security, compliance, and responsible AI practices built in. Build better applications with sophisticated retrieval strategies backed by decades of research and customer validation. Quickly deploy your generative AI app with seamless platform and data integrations for data sources, AI models, and frameworks. Automatically upload data from a wide range of supported Azure and third-party sources. Streamline vector data processing with built-in extraction, chunking, enrichment, and vectorization, all in one flow. Support for multivector, hybrid, multilingual, and metadata filtering. Move beyond vector-only search with keyword match scoring, reranking, geospatial search, and autocomplete.Starting Price: $0.11 per hour -
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Amazon CloudWatch
Amazon
Amazon CloudWatch is a monitoring and observability service built for DevOps engineers, developers, site reliability engineers (SREs), and IT managers. CloudWatch provides you with data and actionable insights to monitor your applications, respond to system-wide performance changes, optimize resource utilization, and get a unified view of operational health. CloudWatch collects monitoring and operational data in the form of logs, metrics, and events, providing you with a unified view of AWS resources, applications, and services that run on AWS and on-premises servers. You can use CloudWatch to detect anomalous behavior in your environments, set alarms, visualize logs and metrics side by side, take automated actions, troubleshoot issues, and discover insights to keep your applications. CloudWatch alarms watch your metric values against thresholds that you specify or that it creates using ML models to detect anomalous behavior. -
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Luigi's Box
Luigi's Box
Luigi's Box is a search and discovery solution designed specifically for e-commerce websites to improve the customer experience and achieve desired revenue. Search Recommender Product Listing Shopping Assistant Analytics Through years of operation, Luigi's Box earned several awards. Our advanced features helped companies such as Under Armour, Nespresso and Notino to successfully increase search usage and conversions. Luigi's Box is easy to use and has a user-friendly interface, making it suitable for businesses of all sizes and kinds. We understand that e-commerce businesses have unique needs, and a good product discovery solution should offer a range of advanced features to allow them to tailor the search experience to their specific needs. Luigi's Box offers a quick and easy integration that doesn’t require deep technical knowledge. You need to just paste the tracking script into the header of your web. We also offer various types of implementation to choose from.Starting Price: See our Pricing -
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Amazon ElastiCache
Amazon
Amazon ElastiCache allows you to seamlessly set up, run, and scale popular open-Source compatible in-memory data stores in the cloud. Build data-intensive apps or boost the performance of your existing databases by retrieving data from high throughput and low latency in-memory data stores. Amazon ElastiCache is a popular choice for real-time use cases like Caching, Session Stores, Gaming, Geospatial Services, Real-Time Analytics, and Queuing. Amazon ElastiCache offers fully managed Redis and Memcached for your most demanding applications that require sub-millisecond response times. Amazon ElastiCache works as an in-memory data store and cache to support the most demanding applications requiring sub-millisecond response times. By utilizing an end-to-end optimized stack running on customer-dedicated nodes, Amazon ElastiCache provides secure, blazing-fast performance. -
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AWS Elastic Beanstalk
Amazon
AWS Elastic Beanstalk is an easy-to-use service for deploying and scaling web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS. You can simply upload your code and Elastic Beanstalk automatically handles the deployment, from capacity provisioning, load balancing, auto-scaling to application health monitoring. At the same time, you retain full control over the AWS resources powering your application and can access the underlying resources at any time. There is no additional charge for Elastic Beanstalk - you pay only for the AWS resources needed to store and run your applications. Elastic Beanstalk is the fastest and simplest way to deploy your application on AWS. You simply use the AWS Management Console, a Git repository, or an integrated development environment (IDE) such as Eclipse or Visual Studio to upload your application. -
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AWS Fargate
Amazon
AWS Fargate is a serverless compute engine for containers that works with both Amazon Elastic Container Service (ECS) and Amazon Elastic Kubernetes Service (EKS). Fargate makes it easy for you to focus on building your applications. Fargate removes the need to provision and manage servers, lets you specify and pay for resources per application, and improves security through application isolation by design. Fargate allocates the right amount of compute, eliminating the need to choose instances and scale cluster capacity. You only pay for the resources required to run your containers, so there is no over-provisioning and paying for additional servers. Fargate runs each task or pod in its own kernel providing the tasks and pods their own isolated compute environment. This enables your application to have workload isolation and improved security by design. -
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Amazon CloudFront
Amazon
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all within a developer-friendly environment. CloudFront is integrated with AWS – both physical locations that are directly connected to the AWS global infrastructure, as well as other AWS services. CloudFront works seamlessly with services including AWS Shield for DDoS mitigation, Amazon S3, Elastic Load Balancing or Amazon EC2 as origins for your applications, and Lambda@Edge to run custom code closer to customers’ users and to customize the user experience. Lastly, if you use AWS origins such as Amazon S3, Amazon EC2 or Elastic Load Balancing, you don’t pay for any data transferred between these services and CloudFront. Customize the code you run at the AWS content delivery network (CDN) edge using serverless compute features to balance cost, performance, and security. -
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Piwik PRO
Piwik PRO
The Only Analytics Suite Designed For Data-Sensitive Industries. Use Piwik PRO to track user behavior even in the most secure areas while staying privacy-compliant, available on-premises and in the cloud. Full compliance with privacy & security laws worldwide. Piwik PRO makes it easy to comply with strict data privacy regulations. From privacy laws in the United States to all European laws and directives, including: GDPR, HIPAA, Chinese Internet Law, Russian law 526-FZ and many more. Piwik PRO offers 100% data ownership. None of it is ever sent to other servers or third parties whether you choose the On-Premises or Cloud solution. Combine data collected through Piwik PRO Analytics Suite to build highly accurate profiles of your customers and research user behavior patterns on the most granular level. Integrate first-party data from web analytics, your company’s CRM, offline sources (including CSV files), forms, and other sources. Get a complete picture of your customers’ behavior.Starting Price: $500 per month -
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Azure AI Services
Microsoft
Build cutting-edge, market-ready AI applications with out-of-the-box and customizable APIs and models. Quickly infuse generative AI into production workloads using studios, SDKs, and APIs. Gain a competitive edge by building AI apps powered by foundation models, including those from OpenAI, Meta, and Microsoft. Detect and mitigate harmful use with built-in responsible AI, enterprise-grade Azure security, and responsible AI tooling. Build your own copilot and generative AI applications with cutting-edge language and vision models. Retrieve the most relevant data using keyword, vector, and hybrid search. Monitor text and images to detect offensive or inappropriate content. Translate documents and text in real time across more than 100 languages. -
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Azure Data Explorer
Microsoft
Azure Data Explorer is a fast, fully managed data analytics service for real-time analysis on large volumes of data streaming from applications, websites, IoT devices, and more. Ask questions and iteratively explore data on the fly to improve products, enhance customer experiences, monitor devices, and boost operations. Quickly identify patterns, anomalies, and trends in your data. Explore new questions and get answers in minutes. Run as many queries as you need, thanks to the optimized cost structure. Explore new possibilities with your data cost-effectively. Focus on insights, not infrastructure, with the easy-to-use, fully managed data analytics service. Respond quickly to fast-flowing and rapidly changing data. Azure Data Explorer simplifies analytics from all forms of streaming data.Starting Price: $0.11 per hour -
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ClickHouse
ClickHouse
ClickHouse is a fast open-source OLAP database management system. It is column-oriented and allows to generate analytical reports using SQL queries in real-time. ClickHouse's performance exceeds comparable column-oriented database management systems currently available on the market. It processes hundreds of millions to more than a billion rows and tens of gigabytes of data per single server per second. ClickHouse uses all available hardware to its full potential to process each query as fast as possible. Peak processing performance for a single query stands at more than 2 terabytes per second (after decompression, only used columns). In distributed setup reads are automatically balanced among healthy replicas to avoid increasing latency. ClickHouse supports multi-master asynchronous replication and can be deployed across multiple datacenters. All nodes are equal, which allows avoiding having single points of failure. -
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ChaosSearch
ChaosSearch
Log analytics should not break the bank. Because most logging solutions use one or both of these technologies - Elasticsearch database and/ or Lucene index - the cost of operation is unreasonably high. ChaosSearch takes a revolutionary approach. We reinvented indexing, which allows us to pass along substantial cost savings to our customers. See for yourself with this price comparison calculator. ChaosSearch is a fully managed SaaS platform that allows you to focus on search and analytics in AWS S3 rather than spend time managing and tuning databases. Leverage your existing AWS S3 infrastructure and let us do the rest. Watch this short video to learn how our unique approach and architecture allow ChaosSearch to address the challenges of today’s data & analytic requirements. ChaosSearch indexes your data as-is, for log, SQL and ML analytics, without transformation, while auto-detecting native schemas. ChaosSearch is an ideal replacement for the commonly deployed Elasticsearch solutions.Starting Price: $750 per month -
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Coveo
Coveo
360° relevance across Websites, Ecommerce, Service, and the Workplace. Every search, recommendation, and interaction made it better. We help businesses deliver the relevant experiences people expect. With the Coveo Relevance Cloud, relevant search is just the beginning. Harness self-optimizing AI that learns from every click and query, at every touchpoint. So you can deliver experiences that get better and better, notice search relevance from Day 1, and scale to full 360° Relevance. Every click and query tells you what a customer wants. Serve up relevant product results, and tailored product and content recommendations, that they’ll want to 'add to cart. Connect each customer to the most relevant answers faster, with AI-powered customer self-service and AI-assisted agent responses. Coveo scores high marks for how we make things work, from drag-and-drop UI customizations to headless APIs and more. -
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CrateDB
CrateDB
The enterprise database for time series, documents, and vectors. Store any type of data and combine the simplicity of SQL with the scalability of NoSQL. CrateDB is an open source distributed database running queries in milliseconds, whatever the complexity, volume and velocity of data. -
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Elastic APM
Elastic
Get deep visibility into your cloud-native and distributed applications — from microservices to serverless architectures — and quickly identify and resolve root causes of issues. Seamlessly adopt APM to automatically identify anomalies, map service dependencies, and simplify investigations into outliers and abnormal behavior. Optimize your application code with extensive support for popular languages, OpenTelemetry, and distributed tracing. Identify performance issues with automated and curated visual representation of all dependencies, including cloud, messaging, data store, and third-party services and their performance data. Drill into anomalies, transaction details, and metrics for deeper analysis.Starting Price: $95 per month -
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Elastic Observability
Elastic
Rely on the most widely deployed observability platform available, built on the proven Elastic Stack (also known as the ELK Stack) to converge silos, delivering unified visibility and actionable insights. To effectively monitor and gain insights across your distributed systems, you need to have all your observability data in one stack. Break down silos by bringing together the application, infrastructure, and user data into a unified solution for end-to-end observability and alerting. Combine limitless telemetry data collection and search-powered problem resolution in a unified solution for optimal operational and business results. Converge data silos by ingesting all your telemetry data (metrics, logs, and traces) from any source in an open, extensible, and scalable platform. Accelerate problem resolution with automatic anomaly detection powered by machine learning and rich data analytics.Starting Price: $16 per month -
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Doofinder
Doofinder
Add a site search to your ecommerce site in 5 minutes without having to program a thing. Doofinder increases your sales by allowing your customers to search for and find the most relevant results. Increase the conversion rate of your online store. Doofinder is the advanced site search you need to sell more through your ecommerce website. Installation is quick and easy. You don’t even have to know how to program. And if you’d like any help, our team is always happy to be of service. No upfront payments or obligations. Try Doofinder for a month, then decide if you want to continue using it. We think you’re going to love it! You don’t need to know how to program in order to install Doofinder or configure its search results. Doofinder handles typos and synonyms while supporting over 30 languages. Our smart technology is predictive, dynamic, fast, and intuitive. It also learns from the behavior of online consumers.Starting Price: $27 per month -
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Kibana
Elastic
Kibana is a free and open user interface that lets you visualize your Elasticsearch data and navigate the Elastic Stack. Do anything from tracking query load to understanding the way requests flow through your apps. Kibana gives you the freedom to select the way you give shape to your data. With its interactive visualizations, start with one question and see where it leads you. Kibana core ships with the classics: histograms, line graphs, pie charts, sunbursts, and more. And, of course, you can search across all of your documents. Leverage Elastic Maps to explore location data, or get creative and visualize custom layers and vector shapes. Perform advanced time series analysis on your Elasticsearch data with our curated time series UIs. Describe queries, transformations, and visualizations with powerful, easy-to-learn expressions. -
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Humio
Humio
Log everything, answer anything in real-time. Modern log management with streaming observability and affordable Unlimited Plans. Humio is built to ingest and retain streaming data as quickly as it arrives, regardless of volume. Alerts, scripts, and dashboards are updated in real-time, and live tail and retained data searches have virtually no latency. Humio is index-free, and it works with any structured or unstructured data format. Because you don’t need to define fields upfront, you can ask any question with live or archived data, and experience blazing-fast response. Humio offers affordable licenses and industry-leading Unlimited Plans. Its advanced compression and use of bucket storage saves up to 70% on compute and storage costs. And Humio deploys in minutes and requires little maintenance. Humio ingests unlimited data at any throughput to provide the full data set needed to detect and respond to any incident. -
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Hadoop
Apache Software Foundation
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather than rely on hardware to deliver high-availability, the library itself is designed to detect and handle failures at the application layer, so delivering a highly-available service on top of a cluster of computers, each of which may be prone to failures. A wide variety of companies and organizations use Hadoop for both research and production. Users are encouraged to add themselves to the Hadoop PoweredBy wiki page. Apache Hadoop 3.3.4 incorporates a number of significant enhancements over the previous major release line (hadoop-3.2). -
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InfluxDB
InfluxData
InfluxDB is a purpose-built data platform designed to handle all time series data, from users, sensors, applications and infrastructure — seamlessly collecting, storing, visualizing, and turning insight into action. With a library of more than 250 open source Telegraf plugins, importing and monitoring data from any system is easy. InfluxDB empowers developers to build transformative IoT, monitoring and analytics services and applications. InfluxDB’s flexible architecture fits any implementation — whether in the cloud, at the edge or on-premises — and its versatility, accessibility and supporting tools (client libraries, APIs, etc.) make it easy for developers at any level to quickly build applications and services with time series data. Optimized for developer efficiency and productivity, the InfluxDB platform gives builders time to focus on the features and functionalities that give their internal projects value and their applications a competitive edge.Starting Price: $0 -
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Grafana Loki
Grafana
Grafana Loki is an open source log aggregation system designed to efficiently collect, store, and query logs from various sources. Unlike traditional logging systems, Loki is optimized for cloud-native applications, making it a great fit for modern, containerized environments like Kubernetes. It works seamlessly with Grafana for visualizing log data alongside metrics and traces, providing a unified observability platform. Loki indexes only metadata, such as labels and timestamps, which reduces the amount of data stored and improves query performance compared to more traditional log management systems. This lightweight approach allows for easier scalability and cost-effective storage. Loki also supports log aggregation from various sources, including Syslog, application logs, and container logs, and integrates with other observability tools to provide a complete view of system performance.Starting Price: Free -
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Help people find what they need on your website. Add a customizable search box to your web pages and show fast, relevant results powered by Google Search. Because it’s powered by Google’s core search technology that’s constantly improving, you always get fast, relevant results. You program your search engine, so you decide what content it searches and how it looks. Integrate your search engine on your website quickly. Decide if you want users to search only your website, or include other sites on the web. Choose from several pre-built themes, or design your own search results page from scratch. Pay nothing — and even earn revenue — by showing relevant ads with AdSense, or pay a low price for an ad-free experience.
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Devo
Devo Technology
WHY DEVO Devo Data Analytics Platform. Achieve full visibility with centralized cloud-scale log management. Say goodbye to constraints and compromises. Say hello to the new generation of log management and analytics that powers operations teams. For machine data to improve visibility, transform the SOC, and achieve enterprise-wide business initiatives, you need to keep pace with the relentless real-time demands of exploding data volumes, while not breaking the bank. Massive scale, no ninjas required. Forget about re-architecting. Devo grows with your business, exceeding even the highest demands without requiring you to manage clusters and indexes or be confined by unreasonable limits. Onboard giant new datasets in a snap. Roll out access to hundreds of new users painlessly. Always meet your teams’ demands year after year, petabyte upon petabyte. Agile cloud-native SaaS. Lift-and-shift cloud architectures just don’t cut it. They’re afflicted with the same performance -
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EraSearch
Era Software
Purpose-built for cloud-native deployments, EraSearch brings you a dynamic data fabric that leverages decoupled storage & compute, a true zero-schema design, and adaptive indexing to deliver an infinitely-scalable log management experience with an unparalleled reduction in cost and complexity. Lots of log management products are built on top of Elasticsearch. We built EraSearch from scratch to solve its key problems. By embracing a stateless design for all of the core components, managing EraSearch with k8s is a dream. Lots of log management products are built on top of Elasticsearch. We built EraSearch from scratch to solve its key problems. By using a modern, coordination-free ingest design, EraSearch can handle data at a greatly-reduced cost. Running EraSearch is completely hands-off, so you never have to worry about cluster health again.Starting Price: ¢65 per GB -
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Faiss
Meta
Faiss is a library for efficient similarity search and clustering of dense vectors. It contains algorithms that search in sets of vectors of any size, up to ones that possibly do not fit in RAM. It also contains supporting code for evaluation and parameter tuning. Faiss is written in C++ with complete wrappers for Python. Some of the most useful algorithms are implemented on the GPU. It is developed by Facebook AI Research.Starting Price: Free -
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Klevu
Klevu
Klevu is an intelligent site search solution designed to help e-commerce businesses increase onsite sales and improve the customer online shopping experience. Klevu powers the search and navigation experience of thousands of mid-level and enterprise online retailers by leveraging advanced semantic search, natural language processing, merchandising and multi-lingual capabilities, ensuring visitors to your site find exactly what they are looking for regardless of the device or query complexity. Klevu AI is the most human-centric based AI, designed specifically for ecommerce, and one of the most comprehensive, included in Gartner’s Market Guide 2021 for Digital commerce search. Deliver relevant search results to your customers with Klevu’s powerful and customizable search engine built exclusively for ecommerce.Starting Price: $449 per month -
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LOGalyze
Zuriel
LOGalyze is an open source, centralized log management and network monitoring software. If you would like to handle all of your log data in one place, LOGalyze is the right choice. It supports Linux/Unix servers, network devices, Windows hosts. It provides real-time event detection and extensive search capabilities. With this open source application log analyzer, collect your log data from any device, analyze, normalize and parse them with any custom made Log Definition, use the built-in Statistics and Report Definitions or use your own ones. You can define Events and Alerts by correlating any log data. The ticketing system provides powerful tool closing your open incidents more quickly. LOGalyze is an open source network management tool what helps reducing internal costs, improving network uptime, increasing network efficiency and eliminating unwanted network traffic. The built-in scheduled Reports give you an overview of the whole network. -
39
ParadeDB
ParadeDB
ParadeDB brings column-oriented storage and vectorized query execution to Postgres tables. Users can choose between row and column-oriented storage at table creation time. Column-oriented tables are stored as Parquet files and are managed by Delta Lake. Search by keyword with BM25 scoring, configurable tokenizers, and multi-language support. Search by semantic meaning with support for sparse and dense vectors. Surface results with higher accuracy by combining the strengths of full text and similarity search. ParadeDB is ACID-compliant with concurrency controls across all transactions. ParadeDB integrates with the Postgres ecosystem, including clients, extensions, and libraries. -
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MarkLogic
Progress Software
Unlock data value, accelerate insightful decisions, and securely achieve data agility with the MarkLogic data platform. Combine your data with everything known about it (metadata) in a single service and reveal smarter decisions—faster. Get a faster, trusted way to securely connect data and metadata, create and interpret meaning, and consume high-quality contextualized data across the enterprise with the MarkLogic data platform. Know your customers in-the-moment and provide relevant and seamless experiences, reveal new insights to accelerate innovation, and easily enable governed access and compliance with a single data platform. MarkLogic provides a proven foundation to help you achieve your key business and technical outcomes—now and in the future. -
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SolarWinds Loggly
SolarWinds
SolarWinds® Loggly® is a cost-effective, hosted, and scalable full-stack, multi-source log management solution combining powerful search and analytics with comprehensive alerting, dashboarding, and reporting to proactively identify problems and significantly reduce Mean Time to Repair (MTTR). LOGGLY AT A GLANCE » Full-stack, multi-source log aggregation, log monitoring, and data analytics » Log analytics show events in context, highlight patterns, and detect anomalies for deeper insights » Highly scalable to ingest massive data volumes and help enable quick searching across large and complex environments » Spot usage patterns with application, service, and infrastructure-aligned historical analysis of user, log, and infrastructure data » Manage by exception by identifying variations from normal with powerful log formatting and analytic search capabilitiesStarting Price: Free -
42
OpenObserve
OpenObserve
OpenObserve is an open source observability platform for logs, metrics, and traces that emphasizes high performance, scalability, and dramatically lower cost. It supports petabyte-scale observability thanks to features like data compression using columnar storage and the ability to use “bring your own bucket” storage (local disk, S3, GCS, Azure Blob, etc.). It is written in Rust, uses the DataFusion query engine to directly query Parquet files, and provides a stateless, horizontally scalable architecture with caching (both result and disk) to maintain speed under heavy load. It embraces open standards (OpenTelemetry compatibility, vendor-neutral APIs), so it fits into existing monitoring/logging workflows. Key modules include logs, metrics, traces, frontend monitoring, pipelines, alerts, and dashboards/visualizations.Starting Price: $0.30 per GB -
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OpenSearch
OpenSearch
OpenSearch is a community-driven, open source search and analytics suite derived from Apache 2.0 licensed Elasticsearch 7.10.2 & Kibana 7.10.2. It consists of a search engine daemon, OpenSearch, and a visualization and user interface, OpenSearch Dashboards. OpenSearch enables people to easily ingest, secure, search, aggregate, view, and analyze data. These capabilities are popular for use cases such as application search, log analytics, and more. With OpenSearch people benefit from having an open source product they can use, modify, extend, monetize, and resell how they want. At the same time, OpenSearch will continue to provide a secure, high-quality search and analytics suite with a rich roadmap of new and innovative functionality. -
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OpenText Enterprise Security Manager
OpenText
OpenText™ Enterprise Security Manager (ESM) is a robust Security Information and Event Management (SIEM) solution designed to provide comprehensive real-time threat detection and automated response. It features an industry-leading correlation engine that alerts analysts instantly to threat-correlated events, dramatically reducing the time required to detect and respond to cyber threats. ESM integrates native Security Orchestration, Automation, and Response (SOAR) capabilities, enabling organizations to streamline their security operations and lower total cost of ownership. With the ability to analyze over 100,000 events per second and support more than 450 event sources, it delivers enterprise-wide event visibility and enhanced threat intelligence. The platform’s scalable architecture supports customization through rulesets, dashboards, and reports tailored to unique security needs. It also offers multi-tenancy capabilities for centralized management across distributed business units. -
45
PromptX
VE3 Global
PromptX unifies your data across SharePoint, Google Drive, email, cloud, and legacy systems into a single Enterprise Knowledge System. With AI-Powered Search, users ask conversational questions and get context-aware, verifiable answers in seconds. Auto-ingestion, semantic tagging, smart entity recognition transforms unstructured files, emails, and URLs into Knowledge Cards. Adaptive prompts, split-chat pathways, collaborative workspaces, and agent automations streamline workflows. Deployed across any cloud or hybrid environment, PromptX integrates any LLM or external search engine, PromptX scales to any enterprise, all while providing granular permissions, SSO, audit trails, and built-in AI governance. -
46
Microsoft Search
Microsoft
Get an enterprise search experience that increases productivity and saves time by delivering more relevant search results for your organization. Microsoft Search helps you find what you need to complete what you’re working on. Whether you're searching for people, files, org charts, sites, or answers to common questions, you can use Microsoft Search throughout your workday to get answers. Microsoft Search helps users find the right answers, people, and content to complete their tasks in the app they’re already working in. Users get results that are relevant in the context of the app they search from. For example, when they search in Microsoft Outlook, they find emails, and not SharePoint sites. When they search in SharePoint, they find sites, pages, and files. Whichever app users are working in; Microsoft Search is personal. Microsoft Search uses insights from the Microsoft Graph to show results that are relevant to each user. -
47
Mindbreeze InSpire
Mindbreeze
Mindbreeze notes and homes in on the type of information you find most useful, learns to search intelligently, and quickly recognizes content that other systems miss. Data is brought together from a wide variety of sources to provide employees or customers with a 360-degree view of the topics or customers relevant to them. Mindbreeze automatically makes data available across all application, department, and company boundaries. Mindbreeze InSpire finds all information about your company, such as e-mail addresses, telephone numbers, and contact persons. Experts from different fields as well as their contact information are clearly displayed. All documents, including their latest revisions, are quickly found and displayed using the preview function. With the 360-degree customer search app, the user is able to see and interact with a 360-degree view of one account by indexing multiple structured data sources such as SAP. -
48
MeiliSearch
MeiliSearch
An open source, blazingly fast and hyper relevant search-engine that will improve your search experience. MeiliSearch provides an extensive toolset for customization. Unlike with other search engines, these customization options are just optional. It works out-of-the-box with a preset that easily answers the needs of most applications. Communication is done with a RESTful API because most developers are already familiar with its norms. The search experience feels simple and intuitive. It’s all too common for search bars to make users feel like they have to learn a new language just to get the best results, or worse, that they have to jump back and forth between their search and Google just to get the right spelling or product UID. MeiliSearch makes searching simple and responsive, so the user can stay focused on the results. MeiliSearch offers a typo-tolerant and natural query language search experience. -
49
Logstash
Elasticsearch
Centralize, transform & stash your data. Logstash is a free and open server-side data processing pipeline that ingests data from a multitude of sources, transforms it, and then sends it to your favorite "stash." Logstash dynamically ingests, transforms, and ships your data regardless of format or complexity. Derive structure from unstructured data with grok, decipher geo coordinates from IP addresses, anonymize or exclude sensitive fields, and ease overall processing. Data is often scattered or siloed across many systems in many formats. Logstash supports a variety of inputs that pull in events from a multitude of common sources, all at the same time. Easily ingest from your logs, metrics, web applications, data stores, and various AWS services, all in continuous, streaming fashion. Download: https://sourceforge.net/projects/logstash.mirror/ -
50
Logz.io
Logz.io
We know engineers love open source. So we supercharged the best open source monitoring tools — including ELK, Prometheus, and Jaeger, and unified them on a scalable SaaS platform. Collect and analyze your logs, metrics, and traces on one unified platform for end-to-end monitoring. Visualize your data on easy-to-use and customizable monitoring dashboards. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs. Quickly respond to new events with alerting to Slack, PagerDuty, Gmail, and other endpoints. Centralize your metrics at any scale on Prometheus-as-a-service. Unified with logs and traces. Add just three lines of code to your Prometheus config files to begin forwarding your metrics to Logz.io for storage and analysis. Quickly respond to new events by alerting Slack, PagerDuty, Gmail, and other endpoints. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs.Starting Price: $89 per month
