Open Source Databases & Storage Tools

Alternative toPinecone

Self-hosted vector database for AI similarity search and RAG

• 35,154 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toGlean

Self-hosted knowledge base with RAG search, AI agent, and wiki

• 34,874 GitHub stars
• MITLicence MIT
• #LLM

Alternative toAmazon Timestream

High-performance time series database with SQL-based querying

• 31,771 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toAmazon DynamoDB

Popular open source NoSQL document database for modern apps

• 28,651 GitHub stars
• #Database

Alternative toDataGrip

AI text-to-SQL client for 40+ databases; local-first, self-hosted

• 28,327 GitHub stars
• CustomLicence Apache-2.0 with additional commercial restrictions (LicenseRef-Chat2DB)

Alternative toTablePlus

Manage 100+ databases with a 25 MB open source client

• 27,421 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toMongoDB Atlas

Open source distributed document database with real-time feeds

• 26,994 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toInfluxDB Cloud

High-performance time-series database for IoT and telemetry

• 25,171 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Database

Alternative toPlanetScale

Edge SQLite database with multi-tenancy for serverless apps

• 24,878 GitHub stars
• MITLicence MIT
• #Database

Alternative toSqlDBM

Free open source database diagram editor and visualizer

• 23,011 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Database