- redis by redis, 78k stars. In-memory data structure server, cache and vector query engine
- nocodb by nocodb, 66k stars. Spreadsheet-style interface over databases with auto-generated APIs
- etcd by etcd-io, 53k stars. Distributed key-value store built on Raft, used by Kubernetes
- ClickHouse by ClickHouse, 51k stars. Column-oriented database for real-time analytical queries
- drawdb by drawdb-io, 40k stars. Browser editor for database diagrams that generates SQL
- gorm by go-gorm, 40k stars. Developer-friendly ORM library for Go with support for major SQL databases
- dokploy by Dokploy, 39k stars. Self-hosted deployment platform as an alternative to Vercel and Heroku
- drizzle-orm by drizzle-team, 36k stars. TypeScript query builder and data layer for Postgres, MySQL and SQLite
- qdrant by qdrant, 36k stars. High-performance vector database and similarity search engine written in Rust
- Chat2DB by OtterMind, 28k stars. Cross-platform SQL client for 40+ databases with an AI assistant for queries
- pandas-ai by sinaptik-ai, 24k stars. Python library for asking natural language questions of tables and databases
- neon by neondatabase, 23k stars. Serverless Postgres with autoscaling, database branching and scale to zero
- VictoriaMetrics by VictoriaMetrics, 18k stars. Fast time series database and monitoring system
- tigerbeetle by tigerbeetle, 17k stars. Financial transactions database built for safety and performance
- mcp-toolbox by googleapis, 17k stars. Open source MCP server that exposes databases to AI agents
- zvec by alibaba, 16k stars. Embedded in-process vector database with HNSW indexing
- doris by apache, 16k stars. Real-time analytical SQL database with hybrid search support
- InsForge by InsForge, 13k stars. Open source backend with database, auth, storage and hosting for coding agents
- zookeeper by apache, 13k stars. Coordination service for distributed systems
- encore by encoredev, 13k stars. Backend framework that provisions infrastructure from local dev to cloud
- manticoresearch by manticoresoftware, 12k stars. Full-text, vector and hybrid search engine with real-time indexing and SQL access
- oceanbase by oceanbase, 10k stars. Distributed MySQL-compatible database with transactional and analytical engines
- databend by databendlabs, 9.5k stars. Cloud data warehouse in Rust for analytics, search and Python workloads on S3
- nhost by nhost, 9.4k stars. Open-source backend with Postgres, GraphQL, auth and storage
- server by MariaDB, 8.6k stars. Community fork of MySQL with full-text search, JSON and multiple storage engines
- models.dev by anomalyco, 7.6k stars. Open database of AI model specs and metadata
- HeidiSQL by HeidiSQL, 6.3k stars. Windows client for managing MySQL, PostgreSQL, SQL Server and other databases
- helix-db by HelixDB, 6.3k stars. Graph database with built in vector and full text search, written in Rust
- pgrust by malisper, 5.8k stars. Postgres rewritten in Rust, with benchmarks claimed to beat Postgres and ClickHouse
- tabularis by TabularisDB, 5.5k stars. Desktop SQL client with ER diagrams, many database drivers and a built-in MCP server
- liam by liam-hq, 5.2k stars. Generates readable entity-relationship diagrams from a database schema
- whodb by clidey, 5.1k stars. Web-based database explorer for MySQL and PostgreSQL with an AI assistant
- pgbackrest by pgbackrest, 4.5k stars. Parallel backup and restore tool for PostgreSQL with archiving
- ingestr by bruin-data, 4.0k stars. Command line tool that copies data between databases in one command
- morphik-core by morphik-org, 3.7k stars. Multimodal retrieval engine for RAG over documents and images
- ducklake by duckdb, 3.4k stars. Lake table format with an integrated catalog that SQL engines can query
- aaPanel by aaPanel, 3.1k stars. Web control panel for hosting LAMP and LNMP stacks with Docker and MySQL
- osv.dev by google, 3.1k stars. Open source vulnerability database and triage service
- pg_durable by microsoft, 2.9k stars. Durable execution engine that runs inside PostgreSQL for long workflows
- databasement by David-Crty, 2.6k stars. Web UI for scheduled backups and restores of many databases to cloud or SFTP
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