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Awesome Free Dev Tools

4.2/5.01 verified review
FreeOpen SourceMIT

Curated directory of free and open-source software development tools

  • Comprehensive compilation of free and open-source developer tools
  • Clear categorization focused on AI assistants and code editors
  • Direct public access with no registration wall

14stars on GitHub

GenesisDB

4.7/5.01 verified review
FreeOpen SourceMIT

Open source event sourcing database written in Go

  • Distributed as a single static Go binary with zero runtime dependencies
  • Native CloudEvents 1.0 support with hierarchical subject routing
  • Completely open source under the MIT license with no event limits or license keys

14stars on GitHub

Castov

4.5/5.01 verified review
FreeOpen SourceMIT

Fast, 100% client-side developer platform with CLI and MCP server support.

  • 100% local browser and CLI execution with zero telemetry.
  • Includes a native Model Context Protocol (MCP) server for Cursor and Claude.
  • Over 60 interactive developer tools and chainable data pipelines.

1stars on GitHub

Mercury

4.4/5.01 verified review
Free

Digital banking and financial services designed for startups and growing companies.

  • No monthly maintenance fees or mandatory minimum balance requirements.
  • Virtual and physical corporate card issuance with customizable spending limits.
  • Native integration with accounting systems such as QuickBooks, Xero, and NetSuite.

Statuspage

4.1/5.01 verified review
Free

Incident communication tool to keep users informed about service status.

  • Direct reduction of support ticket volume during service incidents.
  • Native integrations with over 150 third-party monitoring tools.
  • Multi-channel subscriber notifications including email, SMS, and in-app alerts.

Relay

4.1/5.01 verified review
Free

Technical communication platform for transmitting documents alongside their context and purpose to AI agents.

  • Automates context transmission between AI agents.
  • Reduces ambiguity in document exchange.
  • Simple natural language command interface.