Top 468 open source projects in Databases & Data Stores. Ranked by stars, activity, and recorded community growth.
Use CH-UI to work with your data from Click House self-hosted with a user-friendly interface. CH-UI is a modern and feature-rich user interface for ClickHouse databases. It offers an intuitive platform for querying ClickHouse databases, executing queries, and visualizing metrics about your instance.
PHP Reader for the MaxMind DB Database Format
Bindings and ADO.NET Provider for DuckDB
Open-source, cloud-native transactional tensor storage engine
SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.
Open, SQL-native time-series database for telemetry you need to keep. 34M+ records/sec ingestion, 8M+ rows/sec queries. InfluxDB Line Protocol and Telegraf compatible. Open Parquet on your storage. Single binary. S3/Azure native. Air-gap ready. AGPL-3.0.
A Ruby client for the Cassandra distributed database
Universal HTAP Engine
Database connectivity API standard and libraries for Apache Arrow
🔥🔥🔥 Turn AI-written code into real apps. Nubase is an open-source, AI-native backend platform for AI Coding, agentic applications, and modern product teams: Memory, Database, Storage, and Auth in one self-hostable service.
Enable a Rails application to have separate databases for each tenant.
phpMyFAQ - Open Source FAQ web application for PHP 8.4+ and MySQL, PostgreSQL and other databases
Firebase Admin Java SDK
Venice, Derived Data Platform for Planet-Scale Workloads.
Language model search engine built on a vector database and an anything key/value store.
LudicrousDB is an advanced database interface for WordPress that supports replication, failover, load balancing, & partitioning
EGODatabase is a thread-safe Objective-C SQLite wrapper with full support for asynchronous SQLite calls as well as built in NSOperationQueue support.
Self-hosted web UI for Claude and Codex. Push notifications, file uploads, no accounts, no database. Uses your existing CLI session history.
Free, open-source SQL Server and Postgres performance monitoring. Collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS, Postgres, Aurora Postgres.