Showing 1670 open source projects for "c--"

View related business solutions
  • Forever Free Full-Stack Observability | Grafana Cloud Icon
    Forever Free Full-Stack Observability | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
    Create free account
  • Go From AI Idea to AI App Fast Icon
    Go From AI Idea to AI App Fast

    One platform to build, fine-tune, and deploy ML models. No MLOps team required.

    Access Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
    Try Free
  • 1
    SqlKata QueryBuilder

    SqlKata QueryBuilder

    SQL query builder, written in c#, helps you build complex queries

    SqlKata is a powerful and elegant SQL query builder for .NET that provides a fluent, expressive syntax to construct complex SQL queries programmatically. It supports multiple database engines and can compile queries to raw SQL with parameters, making it easy to integrate with Dapper or ADO.NET. SqlKata emphasizes flexibility and readability, enabling developers to write maintainable and reusable query logic.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    pspg

    pspg

    Unix pager (with rich functionality) designed for work with tables

    pspg is a Unix pager designed for working with tabular data, particularly from PostgreSQL, but also supports other databases like MySQL.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Garnet

    Garnet

    Garnet is a remote cache-store from Microsoft Research

    Garnet is a remote cache‑store developed by Microsoft Research. It delivers high throughput and low‑latency performance, supports scalability via clustering (sharding, replication, key migration, checkpointing, failover, transactions), and seamlessly integrates with existing Redis clients. Garnet offers much better throughput and scalability with many client connections and small batches, relative to comparable open-source cache-stores, leading to cost savings for large apps and services....
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    Linenoise

    Linenoise

    A small self-contained alternative to readline and libedit

    Linenoise is an ultra-lightweight, self-contained C library that implements line editing (single and multi-line) for terminal applications, intended as a simpler alternative to the much larger GNU Readline or libedit libraries. The library is zero-config, meaning you just include the source file(s) and use it, without heavy dependencies or external configuration. It supports basic editing features: moving the cursor, inserting characters, handling history, tab-completion, and hints, plus a multiplexing mode where the prompt can be hidden/restored when asynchronous output appears. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 5
    pg_auto_failover

    pg_auto_failover

    Postgres extension and service for automated failover

    pg_auto_failover is a PostgreSQL extension and management tool for automated high availability. It handles health checks, failover, and monitoring without requiring third-party tools or complex configuration. Designed by the Citus Data team at Microsoft, it's ideal for developers and ops teams wanting reliable HA with minimal effort.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    AgensGraph

    AgensGraph

    AgensGraph, a transactional graph database based on PostgreSQL

    AgensGraph is a multi-model database that extends PostgreSQL with graph database capabilities, enabling users to work with both relational and graph data within a single system. It supports the Cypher query language alongside SQL, making it ideal for hybrid workloads.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    PikiwiDB

    PikiwiDB

    Pika is a Redis-Compatible database

    A high-performance, distributed key-value database inspired by Redis but designed for large-scale cloud-native environments.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    DBreeze Database

    DBreeze Database

    C# .NET NOSQL ( key value store embedded ) ACID database

    DBreeze Database is a professional, open-source, multi-paradigm (embedded Key-Value store, objects, NoSql, text search, multi-parameter search, embedding vector database, vector similarity search/clustering, etc.), multi-threaded, transactional and ACID-compliant data management system for .NET5> / .NET Framework 3.5> / Xamarin MONO Android iOS / .NET Core 1.0> / .NET Standard 1.6> / Universal Windows Platform / .NET Portable / UNITY / CoreRT.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Realm Swift

    Realm Swift

    Realm is a mobile database: a replacement for Core Data & SQLite

    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. Build data-rich apps without draining device resources with Realm's lazy loading and zero-copy architecture. The object-oriented data model lets developers work directly with native objects – no ORMs or DAOs are needed. Real-time mobile to cloud data sync makes it easy to build interactive features that keep data up-to-date across multiple devices, users,...
    Downloads: 1 This Week
    Last Update:
    See Project
  • Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure Icon
    Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure

    Native application identity and user-based security for your Azure cloud

    Gain integrated visibility across all traffic in a single pass. Deploy Palo Alto Networks VM-Series to determine application identity and content while automating security policy updates via rich APIs.
    Get a free trial
  • 10
    EventStoreDB

    EventStoreDB

    The stream database optimised for event sourcing

    Persist your application data as streams of events with our open-source database, the best data storage solution for event-sourced systems. Available for free download on most platforms or use our managed service Event Store Cloud. EventStoreDB is an open-source database technology that stores your critical data in streams of immutable events. It was built from the ground up for Event Sourcing, we believe that makes it the best solution in the market for building event-sourced systems. Event...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Tendis

    Tendis

    Tendis is a high-performance distributed storage system

    A high-performance, persistent key-value store developed by Tencent, combining features of Redis with LSM-tree storage for durability.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    pg_squeeze

    pg_squeeze

    A PostgreSQL extension for automatic bloat cleanup

    pg_squeeze is a PostgreSQL extension that reclaims space in bloated tables without blocking read or write access. It provides a non-intrusive alternative to VACUUM FULL by creating a new compacted copy of the table in the background. It’s particularly useful for maintaining performance in large, heavily updated databases.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    MobilityDB

    MobilityDB

    MobilityDB is a geospatial trajectory data management & analysis

    MobilityDB is an extension for PostgreSQL and PostGIS that adds support for managing and querying moving object data, such as vehicles, vessels, or wildlife. It allows developers to store temporal and spatiotemporal data types and execute complex mobility analytics using SQL. It is particularly suited for GIS applications and location-based services.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    HypoPG

    HypoPG

    Hypothetical Indexes for PostgreSQL

    HypoPG is a PostgreSQL extension that allows you to create hypothetical indexes without actually building them on disk. It helps developers and DBAs test the impact of potential indexes on query performance before committing resources. By simulating indexes, HypoPG assists in query optimization and index strategy planning without any performance or storage cost.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    PLpgSQL Check

    PLpgSQL Check

    plpgsql_check is a linter tool (does source code static analyze)

    plpgsql_check is a PostgreSQL extension for static analysis and runtime checking of PL/pgSQL functions. It helps developers catch bugs early by analyzing code structure, variable usage, and SQL correctness before execution. The extension is ideal for improving code quality in large Postgres-based applications.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    RUM

    RUM

    RUM access method - inverted index with additional information

    RUM is a PostgreSQL extension that enhances full-text search performance by implementing a new type of GIN index. It allows fast ranking, filtering, and search in a single index scan, improving query efficiency in applications that rely heavily on text search. RUM is useful for advanced search features like faceting and relevance ranking.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Cloudberry

    Cloudberry

    One advanced and mature open-source MPP

    Apache Cloudberry is a distributed real-time analytics engine designed for querying massive social media datasets. It integrates with Apache AsterixDB and supports efficient ad-hoc queries and aggregations across large volumes of data. Cloudberry is especially useful for dashboards, trend analysis, and time-series social data exploration.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    PolarDB for PostgreSQL

    PolarDB for PostgreSQL

    A cloud-native database based on PostgreSQL developed by Alibaba Cloud

    PolarDB for PostgreSQL is Alibaba Cloud's cloud-native, distributed version of PostgreSQL designed for high availability, scalability, and performance. It enhances standard PostgreSQL with features like shared storage, compute-storage separation, and parallel processing. PolarDB supports cloud-native workloads, offering enterprise-grade capabilities while maintaining PostgreSQL compatibility.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    OrioleDB

    OrioleDB

    Building a modern cloud-native storage engine

    OrioleDB is a next-generation storage engine for PostgreSQL, aiming to enhance scalability, performance, and modern data management. Designed as a table access method (TAM) extension, it introduces features like MVCC improvements, compression, and efficient concurrency handling. OrioleDB seeks to future-proof PostgreSQL by enabling cloud-native, high-throughput workloads without altering the core PostgreSQL behavior.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    GrandNode Database

    GrandNode Database

    Open-Source eCommerce Platform on .NET Core, MongoDB, AWS DocumentDB

    GrandNode 2 is an open-source, headless, and multi-platform e-commerce solution built on .NET and MongoDB. It is designed for high scalability and flexibility, making it suitable for businesses requiring a customizable online store with modern technologies.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Vespa

    Vespa

    The open big data serving engine

    Make AI-driven decisions using your data, in real-time. At any scale, with unbeatable performance. Vespa is a full-featured text search engine and supports both regular text search and fast approximate vector search (ANN). This makes it easy to create high-performing search applications at any scale, whether you want to use traditional techniques or a modern vector-based approach. You can even combine both approaches efficiently in the same query, something no other engine can do....
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    MMKV

    MMKV

    The fastest key/value storage for React Native

    MMKV is an efficient, small mobile key-value storage framework developed by WeChat. react-native-mmkv is a library that allows you to easily use MMKV inside your React Native applications. It provides fast and direct bindings to the native C++ library which are accessible through a simple JS API. Get and set strings, booleans and numbers. Fully synchronous calls, no async/await, no Promises, no Bridge. Encryption support (secure storage). Multiple instances support (separate user-data with global data). Customize storage location. High performance because everything is written in C++. ~30x faster than AsyncStorage. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    HammerDB

    HammerDB

    HammerDB Database Load Testing and Benchmarking Tool

    HammerDB is a leading benchmarking and load testing tool for relational databases like PostgreSQL, Oracle, SQL Server, and MySQL. It implements industry-standard workloads such as TPC-C and TPC-H to simulate real-world transactional and analytical database performance. HammerDB is widely used by DBAs and performance engineers to evaluate hardware, configurations, and scaling.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Apache AGE

    Apache AGE

    Graph database optimized for fast analysis

    Apache AGE (A Graph Extension) is a PostgreSQL extension that adds support for graph database functionality using the openCypher query language. AGE allows users to store and query graph-structured data alongside traditional relational data in a single database. Built for performance and scalability, it brings the power of graph queries to the robustness of PostgreSQL, making it suitable for use cases like social networks, recommendation systems, and fraud detection.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Apache Impala

    Apache Impala

    Apache Impala

    Impala provides low latency and high concurrency for BI/analytic queries on the Hadoop ecosystem, including Iceberg, open data formats, and most cloud storage options. Impala also scales linearly, even in multitenant environments. Impala is integrated with native Hadoop security and Kerberos for authentication, and via the Ranger module, you can ensure that the right users and applications are authorized for the right data. Utilize the same file and data formats and metadata, security, and...
    Downloads: 1 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB