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Open Source Database Tools & GUIs using CSS

A curated collection of the best open source graphical user interfaces and tools for managing databases. using CSS.

A clean, cross-platform SQL editor for multiple databases
  • Stars

    23,771
  • Last commit

    9 hours ago
  • License

    Unknown
SQL GUI client for MySQL, Postgres, SQLite, SQL Server, and more, with a spreadsheet-like data editor, AI shell, SSH tunneling, and team workspaces.

Open Source Alternative to:

Transform databases into intuitive spreadsheets instantly
  • Stars

    65,306
  • Last commit

    6 hours ago
  • License

    AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.

Open Source Alternative to:

Free database manager for SQL databases and beyond
  • Stars

    52,144
  • Last commit

    6 hours ago
  • License

    Apache-2.0
Cross-platform database management tool for exploring, editing, and querying SQL databases including MySQL, PostgreSQL, SQLite, MariaDB, and more.

Open Source Alternative to:

Design database diagrams and generate SQL scripts instantly
  • Stars

    40,091
  • Last commit

    5 days ago
  • License

    AGPL-3.0
Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.

Open Source Alternative to:

Transform natural language into SQL queries with AI
  • Stars

    28,325
  • Last commit

    8 hours ago
  • License

    Apache-2.0
AI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.

Open Source Alternative to:

Secure and streamline database changes with CI/CD automation
  • Stars

    14,616
  • Last commit

    6 hours ago
  • License

    MIT
Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
Flexible spreadsheets with database power
  • Stars

    11,978
  • Last commit

    8 hours ago
  • License

    Apache-2.0
A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.

Open Source Alternative to:

Desktop SQL client with built-in MCP for AI agent access
  • Stars

    Stars growing over the last 30 days5,241
  • Last commit

    24 hours ago
  • License

    Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.

Open Source Alternative to:

Spreadsheet-like interface for PostgreSQL databases
  • Stars

    5,157
  • Last commit

    15 hours ago
  • License

    GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

Open Source Alternative to:

Next-Gen ERD: Design, Explore, Document and Analyze your database.
  • Stars

    2,192
  • Last commit

    2 months ago
  • License

    MIT
Azimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.

Open Source Alternative to:

AI-powered PostgreSQL management made simple
  • Stars

    1,452
  • Last commit

    7 hours ago
  • License

    AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.

Open Source Alternative to: