Best Free Enterprise Search Software
View:
Compare the Top Free Enterprise Search Software as of April 2026
Sort By:
What is Free Enterprise Search Software?
Enterprise search software enables organizations to efficiently search and retrieve information across vast internal data sources, such as documents, emails, databases, and intranet systems. It uses advanced indexing and search algorithms to allow employees to quickly find relevant content, improving productivity and decision-making. These systems typically feature advanced filtering, faceted search, and personalized results based on user roles or preferences, making searches more precise. Enterprise search software also integrates with other enterprise tools and systems, providing a unified search experience across platforms. By centralizing access to information, it helps organizations streamline workflows, enhance collaboration, and ensure that employees have easy access to the knowledge they need. Compare and read user reviews of the best Free Enterprise Search software currently available using the table below. This list is updated regularly.
-
1
Notion
Notion Labs
Notion is a highly versatile and collaborative workspace designed to help individuals and teams manage documents, wikis, projects, and tasks efficiently. It offers a wide array of features like customizable views for workflows, project tracking, and document creation, all within a single platform. Notion allows users to create a shared knowledge base, organize notes, and collaborate seamlessly on content creation. Additionally, its built-in AI assistance features help users summarize, write, and instantly search for relevant content, significantly enhancing productivity. The platform integrates effortlessly with other popular apps such as Slack, Google Drive, and Trello, providing a seamless experience for teams looking for an all-in-one platform to manage their projects, goals, and knowledge in an organized, collaborative environment.Starting Price: $12/user/month -
2
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 -
3
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 -
4
Crestadoro
Brynner Industries
Crestadoro is a networkable file indexing and search tool. You can install it on multiple Windows machines, create libraries of documents that reside on each machine, then search and access the files from anywhere on your network. You can install Crestadoro on as many machines as you like, both the indexing engine and the search client are easy to set up. You can optionally use SQL Server to store the data if you don't want to use the internal storage mechanism that comes as standard (though it is pretty wizzy!). The Community Edition is completely free to use, you can have as many libraries as you want, the only limitation is that each library can only hold a maximum of 100 documents. Crestadoro is named in honor of Andrea Crestadoro, a chap who lived a couple of hundred years ago who is generally considered to be the first person to come up with the idea of indexing a book by its content rather than its title. He was also an inventor who came up with some bonkers ideas!Starting Price: £50 -
5
GoSearch
GoSearch
GoSearch, from the creators of GoLinks, is a generative AI enterprise search solution built to simplify how teams access and act on workplace knowledge. With Agentic AI, GoSearch goes beyond keyword search—giving you contextual answers, actionable insights, and task automation across 100+ workplace tools like Google Drive, Jira, Slack, and Salesforce. Create custom AI agents to power searches, actions, and workflows—using any LLM of your choice to complete tasks across your tools and data. 🔍 Centralize knowledge with unified, secure search 💬 GoAI delivers instant answers, summaries & links 🤖 Build no-code AI agents to automate tasks & workflows 🔐 Zero-replication security ensures real-time, private results ⚡ Surface insights fast and act without context switching Whether you’re scaling knowledge access, improving productivity, or simplifying internal support, GoSearch transforms search into strategic impact. Go to our website, sign up for free, or request a demo.Starting Price: $20 per month/per user -
6
Bing Custom Search
Microsoft
An easy-to-use, ad-free, commercial-grade search tool that lets you deliver the results you want. Build a customized search that fits your needs. The Bing Custom Search API gives you powerful ranking, a global-scale search index, and document processing with fast, simple setup. The core technology works in four steps—by identifying on-topic sites and images, providing automatic query suggestions, applying the Bing ranker, and delivering relevant search results. Adjust the parameters and access usage insights anytime. Define the parts of the web you want to draw from so users only see relevant results from the domains, subsites, and web pages you choose. Explore site suggestions to expand the scope of your search domain. And harness the full power of Bing’s global-scale search index to get a holistic view of searches and ranking. Create a compelling search experience for content, such as web pages, images, and even autosuggested words.Starting Price: $4 per 1,000 transactions -
7
Cohere
Cohere AI
Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.Starting Price: Free -
8
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.
-
9
Advantage CSP
Advantage CSP
Advantage CSP is an enterprise-class content services platform that powers complex websites, mobile apps, and business applications while offering the flexibility to adapt to each organization's unique processes and workflows. From public-facing websites to business applications that drive organizational processes, Advantage CSP unifies an enterprise for efficiency. Centrally manage thousands of sites using just one interface. 30% faster development and deployment time compared to a traditional CMS. Spend less time on coding and more time on scaling your business. The multi-tenant architecture enables multi-site and multi-language deployments from a single dashboard. Effortlessly help your team efficiently create beautiful digital experiences for every user on any device. Achieve true flexibility and power.Starting Price: $79 per month -
10
Refinder
Thinkfree Inc.
Refinder AI transforms Slack and Google Chat into a productivity hub by automating tasks, managing knowledge, and reducing app switching. Connect your essential work apps to take actions faster and stay focused on important work without leaving chat. Key Capabilities • Create, update, and track tasks in chat • Summarize documents and reports instantly • Send and manage emails directly in Slack or Google Chat • Automate meeting scheduling with Google Calendar • Integrate with Jira, Confluence, Google Drive, Gmail and more • Search and access internal information instantly Refinder AI helps teams and professionals streamline workflows, improve collaboration, and centralize work in chat. Start working smarter and faster with Refinder AI, your AI assistant in Slack and Google Chat.Starting Price: $20.9 per user/month -
11
Swiftype
Swiftype
Swiftype Site Search offers businesses and their audience a flexible and fast site search experience. With Swiftype Site Search, businesses can add a search feature to their website to help customers, readers and followers find highly relevant results. The solution can be adapted to a business' specific needs--whether it's an online store looking to increase conversion rates or an online publication seeking to boost engagement.Starting Price: $299.00/month -
12
Wuha
Wuha
Wuha allows you to stop scattering and optimize on average 7 hours a week! Connect all your information sources to Wuha to search in only one place. Wuha integrates seamlessly into your workflow by directly displaying search results where you work. At a glance, identify the source of the information, the file format and the content of the results. Wuha understands and interprets time information. So you can search by more or less approximate dates. No more questions about the "right version" of a document! Wuha gives you the most recent and similar results associated with it. Our A.I. adapts to the vocabulary specific to your profession. Wuha manages to translate your acronyms, detect names, identify nominal groups.Starting Price: $9 per user per month -
13
Reindex
Linnovate
Build Marketplace and Portals. An open-source opinionated platform, necessary when building modernized web - applications. Typical enterprises and businesses have legacy databases and services, a CMS, and the need to provide a personalized area for their clients. Reindex provides a mature platform to bind all of these together and lets you expose data from your core services while supercharging your CMS. It's the perfect solution whether you feel you have out-grown your CMS, you're looking to add personalized user capabilities, or have various microservices that augment your CMS. Linnovate’s LPP, built on Reindex, enables digital media sites to personalize the visitor’s journey, generate personal information and insights during the visit and offer tangible rewards to the visitor. This media site started increasing readership, engagement, and forging everlasting relationships with their readers.Starting Price: $0 per month -
14
Find specific answers and trends from documents and websites using search powered by AI. Watson Discovery is AI-powered search and text-analytics that uses innovative, market-leading natural language processing to understand your industry’s unique language. It finds answers in your content fast and uncovers meaningful business insights from your documents, webpages and big data, cutting research time by more than 75%. Semantic search is much more than keyword search. Unlike traditional search engines, when you ask a question, Watson Discovery adds context to the answer. It quickly combs through content in your connected data sources, pinpoints the most relevant passage and provides the source documents or webpage. A next-level search experience with natural language processing that makes all necessary information easily accessible. Use machine learning to visually label text, tables and images, while surfacing the most relevant results.Starting Price: $500 per month
-
15
Polymer
Polymer Search
Polymer is the only tool to make your spreadsheets searchable, intelligent, and interactive instantly. No technical setup required. Polymer uses the latest in AI data algorithms to map your data and find connections within your dataset. This is the fun part! Instantly uncover insights, generate charts and graphs, build reports and much, much more. Bring in data from Google, FB, or other advertising platforms to identify the best performing creatives, optimize ad budgets, and wow your stakeholders. Interact with your data in a more intuitive and visual fashion instantly. Go from signup to a fully developed web interface for your data in less than a minute. Eliminate the complex data analysis, pivot tables, queries and coding with Polymer’s automatic and interactive approach anyone can learn in minutes. Build and launch a sophisticated ready-to-use web app for your data automatically with Polymer’s AI algorithms.Starting Price: $18 per user per month -
16
Korra
Korra
Leverage the full potential of your content with a private ChatGPT-like support platform. Korra revolutionizes the way customers access support by leveraging advanced NLP to understand complex queries and provides context-aware, accurate results sourced only from your own content. Customers can expect spot-on answers, highlighted or time-stamped right in the results. Experience a smarter, more efficient, and continuously improving AI knowledge base that keeps pace with your organization's ever-evolving needs. Set up your automated, confidential AI knowledge base in seconds. Korra supports all file types, including video, and securely learns from only the files you share. Customize, brand, and launch your AI chat support experience in seconds. With 3 powerful deployment options, customers can access Korra from any device, at any time, and in whichever way they want. Traditional knowledge base search appearance with a dedicated support URL.Starting Price: $99 per month -
17
Amazon OpenSearch Service
Amazon
Increase operational excellence by using a popular open source solution, managed by AWS. Audit and secure your data with a data center and network architecture with built-in certifications. Systematically detect potential threats and react to a system’s state through machine learning, alerting, and visualization. Optimize time and resources for strategic work. Securely unlock real-time search, monitoring, and analysis of business and operational data. Amazon OpenSearch Service makes it easy for you to perform interactive log analytics, real-time application monitoring, website search, and more. OpenSearch is an open source, distributed search and analytics suite derived from Elasticsearch. Amazon OpenSearch Service offers the latest versions of OpenSearch, support for 19 versions of Elasticsearch (1.5 to 7.10 versions), as well as visualization capabilities powered by OpenSearch dashboards and Kibana.Starting Price: $0.036 per hour -
18
Findr
Findr
Find everything across all apps with just one search bar and streamline work with AI-powered search. Stop wasting time asking for links and re-creating documents that already exist. Use AI-powered workplace search and instantly find anything you need. Chat with Findr to receive answers, generate summaries, and compose emails using relevant information, complete with document references. Sync your favorite set of apps like Gmail, Slack, Jira, Drive, etc. to answer customer queries in real-time, find information fast, and make decisions backed by company knowledge. Findr connects with your apps in real time, letting you use workplace search as soon as you connect your first app. Findr prioritizes security with robust encryption, secure infrastructure, and strict access controls. Dive deeper to understand how we protect every bit of information. We leverage search APIs to fetch the information in real-time.Starting Price: Free -
19
Curiosity
Curiosity
Curiosity is an enterprise-grade search and knowledge platform that connects information across your tools instantly. Designed for speed, security and scalability, Curiosity gives teams one place to search, discover and act on their data. With in-memory speed, results appear as you type; whether you’re searching internal systems, cloud apps or local files. Curiosity integrates seamlessly with tools like Google Drive, Confluence, Slack, SharePoint, Outlook and ServiceNow, unifying company knowledge without moving data. Setup is fast and flexible. Deploy it in minutes, connect your sources and empower your organization to find anything instantly. Built for enterprise needs, Curiosity supports secure on-device or self-hosted setups, ensuring complete data privacy and control. Fast setup. In-memory speed. Flexible for enterprise.Starting Price: €3.99/month -
20
Swirl
Swirl
Swirl easily connects to your enterprise apps, and provides data access in real-time. Swirl provides real time retrieval augmented generation from your enterprise data securely. Swirl is designed to operate within your firewall. We do not store any data and can easily connect to your proprietary LLM. Swirl Search offers a groundbreaking solution, empowering your enterprise with lightning-fast access to everything you need, across all your data sources. Connect seamlessly with multiple connectors built for popular applications and platforms. No data migration required, Swirl integrates with your existing infrastructure, ensuring data security and privacy. Swirl is built with the enterprise in mind. We understand that moving your data just for searching and integrating AI is costly and in effective. Swirl provides a better solution, federated and unified search experience.Starting Price: Free -
21
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 -
22
Onyx
Onyx
Onyx is an open source AI platform that integrates seamlessly with your company's documents, applications, and personnel, enhancing productivity across various teams. It enables users to find answers across all team applications, and AI assistants powered by your organization's unique knowledge, accessible directly within your workflow. Developers can build custom workflows using open-source APIs, facilitating the creation of AI applications tailored to specific needs. Onyx connects to over 40 applications, including Asana, Google Drive, Slack, and Zendesk, ensuring real-time synchronization with document-level access. The platform supports deployment in various environments, such as fully air-gapped setups within your Virtual Private Cloud (VPC) or on-premise, ensuring data security by preventing information from leaving your deployment. Document-level permissions are automatically inherited from connected sources.Starting Price: $16 per month -
23
Knowz
Knowz
Knowz AI delivers a unified enterprise platform that instantly answers questions, automates workflows, and secures organizational knowledge across every business tool. Ring-fenced by design, it provides compliance and governance with SOC 2, ISO 27001, HIPAA, and GDPR certifications and can be deployed on-premise, in private, or GovCloud environments. Its AI Search adapts to your company’s terminology, integrates with Google Drive, SharePoint, Salesforce, SAP, Workday, Slack, Zoom, and over 1,000 other systems, and auto-classifies, approves, and distributes documents without manual effort. Workflow Automation lets you power AI-driven approvals for HR, legal, and IT tasks, auto-generate reports and compliance summaries, and trigger enterprise-wide actions, like updating Salesforce, approving policies, or notifying teams directly from the platform. Embedded Genius Mode offers live fact-checking, recursive multi-step reasoning, AI voice coaching in meetings, and on-demand insights.Starting Price: Fre -
24
Context
Context
Context is a secure, AI-driven office suite that consolidates your chats, documents, spreadsheets, tickets, and data sources into a single workspace, turning scattered inputs into polished, presentation-ready deliverables. It offers built-in editors for presentations, documents, and spreadsheets, powered by deep research capabilities that ground every output in your data and use case. With one click, Context generates client-ready slides, formats and edits handoff-ready reports, and cleans up spreadsheets. It learns your typography, color palette, layout, and writing style from your existing files, ensuring all future work matches your brand voice. Smart collaboration features let multiple users iterate across drafts, while integrations with over 300 tools, from Slack and Gmail to Salesforce, Excel, and PowerPoint, mean you never have to switch apps.Starting Price: $20 per month -
25
ClickUp Brain
ClickUp
ClickUp Brain is an AI-powered productivity platform that lets users search across apps or chat with advanced AI models to get instant answers. BrainGPT connects tools, files, conversations, and data into one unified intelligence layer for faster decision-making. Users can chat with premium AI models like Brain, Gemini, OpenAI, and Claude without switching applications. Universal Search makes it easy to find documents, messages, tasks, and files buried across connected tools. Talk to Text enables voice-powered productivity, allowing users to dictate polished messages, tasks, and documents up to four times faster than typing. BrainGPT also supports deep research and web search with reliable citations. Together, these capabilities replace multiple productivity tools with a single AI super app.Starting Price: $9 per month -
26
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. -
27
Docxonomy
Docxonomy
Docxonomy is an intelligent insight solution for the enterprise that lets you crawl and analyze unstructured and structured data behind the firewall regardless of where it is stored. Docxonomy leverages artificial intelligence and machine learning to analyze all types of files, including Office documents, PDFs, Videos, Audio, and Images. We draw context and meaning through this analysis, including industry terminology, enabling the platform to automatically classify files, identify entities, recognize similarity, and answer questions. You can deploy Docxonomy on-premise or in your cloud of choice, all without requiring a consulting project! Setup time is hours and days, not weeks and months. Our platform is ready-made and industry-specific so that you can start gaining value immediately. Leverage Docxonomy’s artificially intelligent solution to streamline your drug delivery process without costly migrations and expensive projects. -
28
3RDi Search
The Digital Group
Welcome to the era of Big Data where data-driven insights have the power to transform your business. You're about to discover the solution: a powerful, innovative and adaptive platform power packed with every feature you need for Search, Discovery & Analytics of your data. We have named it 3RDi "Third Eye". It's the semantic search engine your enterprise needs to help you take action, boost revenues and cut costs! Powered by NLP and semantic search, it is designed for multidimensional information analysis and easy search relevancy management. Discover the comprehensive scalable platform for every challenge in search & text mining, from management and exploitation of unstructured content to deriving deeper actionable insights that boost your business. 3RDi isn't merely a search solution. It is a comprehensive stack of solutions for text mining, enterprise search, content integration, governance, analytics and much more. -
29
Qatalog
Qatalog
Qatalog glues your company tools, goals, and processes together to keep all your teams aligned. Without meetings or constant pings. Qatalog organizes the ingredients of collaboration—all your people, projects, and tools—in an integrated work hub. Everything is linked together, so your teams can find whatever they need, and get aligned, without being in the same place. All in one place. Align teams on common goals. Build momentum by making them visible to every team. Make company-wide processes transparent and readily available for all. Posts in Qatalog links work updates to teams and projects, and shares them with the right people via Slack and email. Qatalog goals are also linked to projects and teams, so it’s easy for everyone to see them, track them, and stay aligned. Qatalog workflows is a library of all your company processes, available to all. Turn everyone into an expert, from the day they join.Starting Price: $9 per user per month -
30
Vectara
Vectara
Vectara is LLM-powered search-as-a-service. The platform provides a complete ML search pipeline from extraction and indexing to retrieval, re-ranking and calibration. Every element of the platform is API-addressable. Developers can embed the most advanced NLP models for app and site search in minutes. Vectara automatically extracts text from PDF and Office to JSON, HTML, XML, CommonMark, and many more. Encode at scale with cutting edge zero-shot models using deep neural networks optimized for language understanding. Segment data into any number of indexes storing vector encodings optimized for low latency and high recall. Recall candidate results from millions of documents using cutting-edge, zero-shot neural network models. Increase the precision of retrieved results with cross-attentional neural networks to merge and reorder results. Zero in on the true likelihoods that the retrieved response represents a probable answer to the query.Starting Price: Free
