Showing 856 open source projects for "c--"

View related business solutions
  • 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
  • Full-stack observability with actually useful AI | Grafana Cloud Icon
    Full-stack observability with actually useful AI | 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
  • 1
    sqlite-vec

    sqlite-vec

    A vector search SQLite extension that runs anywhere

    A vector search SQLite extension that runs anywhere.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    libmdbx

    libmdbx

    One of the fastest embeddable key-value ACID database

    libmdbx (Lightning Memory-Mapped Database Extended) is a high-performance, key-value database library derived from LMDB (Lightning Memory-Mapped Database). It is designed for fast, scalable, and ACID-compliant data storage with minimal resource consumption.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    Valkey

    Valkey

    A flexible distributed key-value datastore

    Valkey is an open source (BSD) high-performance key/value datastore that supports a variety of workloads such as caching, and message queues, and can act as a primary database. Valkey can run as either a standalone daemon or in a cluster, with options for replication and high availability. Valkey natively supports a rich collection of datatypes, including strings, numbers, hashes, lists, sets, sorted sets, bitmaps, hyperloglogs, and more. You can operate on data structures in-place with an...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    sqlite3

    sqlite3

    Asynchronous, non-blocking SQLite3 bindings for Node.js

    ...Full Buffer/Blob support. Extensive debugging support. Query serialization API. Extension support, including bundled support for the json1 extension. Big test suite, written in modern C++ and tested for memory leaks. Bundles SQLite3 3.32.3 as a fallback if the installing system doesn't include SQLite. The module uses node-pre-gyp to download a pre-compiled binary for your platform, if it exists. Otherwise, it uses node-gyp to build the extension. It is also possible to make your own build of sqlite3 from its source instead of its npm package. ...
    Downloads: 16 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    Duplicati

    Duplicati

    Store securely encrypted backups in the cloud!

    Duplicati is a free and open source backup client for securely storing your data. Duplicati stores encrypted, incremental, compressed backups on cloud storage services and remote file servers using AES-256 encryption, keeping your data safe and always updated. It works with most storage services, including Google Cloud and Drive, Amazon S3, Microsoft Azure and OneDrive, Dropbox, FTPOpenStack Storage (Swift), SSH (SFTP), WebDAV, Tencent Cloud Object Storage (COS), and more! Duplicati also...
    Downloads: 9 This Week
    Last Update:
    See Project
  • 6
    MyDumper

    MyDumper

    MyDumper project

    MyDumper is a MySQL Logical Backup Tool. It has 2 tools. mydumper which is responsible to export a consistent backup of MySQL databases. myloader reads the backup from mydumper, connects the to destination database and imports the backup. Both tools use multithreading capabilities. MyDumper is Open Source and maintained by the community, it is not a Percona, MariaDB or MySQL product. Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient...
    Downloads: 5 This Week
    Last Update:
    See Project
  • 7
    repmgr

    repmgr

    A lightweight replication manager for PostgreSQL (Postgres)

    repmgr is a management tool for PostgreSQL replication, providing monitoring, failover, and administrative capabilities for streaming replication setups. It simplifies the configuration of primary/standby clusters and automates failover processes for high availability. repmgr is widely used in production environments where database resilience and minimal downtime are critical.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    UnQLite

    UnQLite

    An Embedded NoSQL, Transactional Database Engine

    ...The database file format is cross-platform, you can freely copy a database between 32-bit and 64-bit systems or between big-endian and little-endian architectures. UnQLite is a Self-Contained C library without dependency. Built with a powerful disk storage engine which support O(1) lookup.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    KuzuDB

    KuzuDB

    Embeddable property graph database management system

    KuzuDB is a high-performance graph database optimized for analytical queries, built from the ground up with a columnar storage engine. It is designed to efficiently process large-scale graph workloads, making it ideal for data science, machine learning, and knowledge graph applications.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 10
    dqlite

    dqlite

    Embeddable, replicated and fault tolerant SQL engine

    C-Raft and dqlite are both written in C for maximum cross-platform portability. Published under the LGPLv3 license with a static linking exception for maximum compatibility. Includes common CLI pattern for database initialization and voting member joins and departures.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    IvorySQL

    IvorySQL

    Open Source Oracle Compatible PostgreSQL

    IvorySQL is an open-source PostgreSQL-compatible database that extends core Postgres with Oracle compatibility features. It adds support for PL/SQL, Oracle-style functions, and procedural syntax, making it easier for teams migrating Oracle workloads to open-source environments. IvorySQL retains PostgreSQL's performance and ecosystem while broadening compatibility.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    Bitwarden Server

    Bitwarden Server

    The core infrastructure backend of Bitwarden

    ...This includes APIs, database, Docker and other infrastructure items. Bitwarden is an open source password management solution that stores sensitive information in an encrypted vault. This project is written in C# using .NET Core with ASP.NET Core, while the database is written in T-SQL/SQL Server. Cross-platform, its codebase can be developed, built, run and deployed via Docker containers on Windows, macOS, and Linux distributions.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    pglogical

    pglogical

    Logical Replication extension for PostgreSQL

    pglogical is an advanced logical replication extension for PostgreSQL that allows selective replication of data between databases. Unlike physical replication, it enables fine-grained control of which tables or changes to replicate. It’s well-suited for multi-master setups, version upgrades, and real-time data distribution across environments.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    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: 1 This Week
    Last Update:
    See Project
  • 15
    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: 2 This Week
    Last Update:
    See Project
  • 16
    sqlsmith

    sqlsmith

    A random SQL query generator

    SQLSmith is a fuzz testing tool for PostgreSQL that automatically generates random SQL queries to uncover bugs in the query planner and executor. It is widely used by PostgreSQL developers and database vendors to stress-test SQL features and engine behavior under edge-case conditions. SQLSmith helps improve database robustness by revealing unexpected failures.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    TDengine

    TDengine

    Open-source time-series database with high-performance and scalability

    Enables efficient, real-time data ingestion, processing and monitoring of TB and even PB scale data per day, generated by billions of sensors and data collectors. TDengine can be widely applied to IoT, Industrial Internet, Connected Vehicles, DevOps, Energy , Finance and many other use-cases. TDengine’s innovative design and purpose-built storage engine outperforms other time-series databases for data ingestion, querying and data compression while significantly reducing storage and computing...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    pg_cron

    pg_cron

    Run periodic jobs in PostgreSQL

    pg_cron is a PostgreSQL extension that allows SQL jobs to be scheduled using cron syntax. It runs inside the database server and lets users automate routine tasks like VACUUM, backups, and custom SQL scripts. Jobs are managed via SQL commands and can run on the same schedule format as standard UNIX cron, making it powerful and easy to use for database administrators and developers alike.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    ArcticDB

    ArcticDB

    ArcticDB is a high performance, serverless DataFrame database

    Built for the modern Python Data Science ecosystem, ArcticDB transforms your ability to handle complex real-world data with an Incredibly fast proven Petabyte scale. ArcticDB is designed with quant users in mind. It allows you to self-manage your data leveraging your preferred infrastructure. Giving you the keys to protect your most valuable asset. Supports large concurrent writes to many tables ensuring datasets can be onboarded fast and in the most convenient format. Scale-out architecture...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    FluentMigrator

    FluentMigrator

    Fluent migrations framework for .NET

    ...Migrations solve the problem of evolving a database schema for multiple databases (for example, the developer's local database, the test database and the production database). Database schema changes are described in classes written in C# that can be checked into a version control system. FluentMigrator is a .NET library that helps to version database schema using incremental migrations which are described in C#. The basic idea of the FAKE helper is to run FluentMigrator over the existing database using compiled assembly with migrations.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Dragonfly

    Dragonfly

    A modern replacement for Redis and Memcached

    Dragonfly is a drop-in Redis replacement that cuts costs and boosts performance. Designed to fully utilize the power of modern cloud hardware and deliver on the data demands of modern applications, Dragonfly frees developers from the limits of traditional in-memory data stores. The power of modern cloud hardware can never be realized with legacy software. Dragonfly is optimized for modern cloud computing, delivering 25x more throughput and 12x lower snapshotting latency when compared to...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    Entity Framework 6

    Entity Framework 6

    This is the codebase for Entity Framework 6

    Entity Framework 6 (EF6) is a proven object-relational (O/RM) mapper for .NET with many years of feature development and stabilization. Like O/RM, EF6 reduces the impedance mismatch between the relational and object-oriented worlds, allowing developers to write applications that interact with data stored in relational databases with strongly typed .NET objects that represent the domain of the database. application, and eliminate the need for much of the data access "mechanical" code that you...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    SQL Notebook

    SQL Notebook

    SQL Notebook — Casual data exploration in SQL

    SQL Notebook is a free Windows application for querying and analyzing data across multiple sources, including SQLite, PostgreSQL, Excel, and CSV files. It combines a SQL editor with a notebook interface, allowing for data exploration, transformation, and visualization in one place. SQL Notebook is ideal for analysts and data enthusiasts.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    PikaPython

    PikaPython

    An ultra-lightweight Python interpreter that runs with only 4KB of RAM

    An ultra-lightweight Python interpreter that runs with only 4KB of RAM, and zero dependencies. It is ready to use out of the box without any configuration required and easy to extend with C. Similar projects: MicroPython, JerryScript.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    react-native-mmkv-storage

    react-native-mmkv-storage

    Encrypted mobile key-value storage framework for React Native

    ...Read about it on this blog post I wrote on dev.to. Starting from v0.5.0 the library has been rewritten in C++ on Android and iOS both. It employs React Native JSI making it the fastest storage option for React Native. MMKV uses mmap to keep memory synced with file, and protobuf to encode/decode values to achieve the best performance.
    Downloads: 0 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB