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Open-Source AI Tools (Free)

273 tools

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Weekly · AI tools

Tools

  • Open-source enterprise search and generative AI platform with RAG chat and AI agents.

    • RAG Chat
    • AI Agents
    • Faceted Search

    Free

  • showmd

    Writing & Content

    Free macOS Quick Look extension for beautiful Markdown rendering

    • Markdown Viewer
    • YAML Frontmatter
    • Markdown Preview

    Free

  • AgentBench

    AI Agents

    Evaluates large language models as agents through a comprehensive benchmark

    • Agent Evaluation
    • Benchmarking
    • LLM Testing

    Free

  • AgenticSeek

    AI Agents

    Autonomous agent for web browsing, coding, and execution with no API costs.

    • Local Execution
    • Privacy First
    • Code Writing

    Free

  • Assemble

    Developer Tools

    Generates native config files to turn your IDE into a structured AI team.

    • Spec-Driven Workflows
    • Zero Runtime
    • Zero Dependencies

    Free

  • Curated list of bootstrapped AI startups and indie products

    • AI Startups
    • Indie Products
    • Pre-Seed Funding

    Free

  • A curated list of marketing tools and resources for strategy, SEO, and analytics.

    • Marketing Strategy
    • SEO Optimization
    • Keyword Research

    Free

  • BitFun

    Developer Tools

    Open-source agent runtime and desktop app for coding, Git, browser, terminal, and remote workspaces

    • Code Agent
    • Open-source
    • Rust

    Free

  • Crew44

    AI Agents

    Orchestrates AI agents into coordinated teams for efficient task execution.

    • AI Agents
    • Productivity Tools
    • Developer Tools

    Free

  • Mercury Agent

    AI Agents

    Soul-driven AI agent with permission-hardened tools, token budgets, and multi-channel access.

      Free

    • OpenClaw

      AI Agents

      Open-source AI assistant that runs on your machine and works from WhatsApp, Telegram, or any chat app: inbox, email, calendar, flights.

      • Open Source
      • Self-Hosted
      • AI Agent

      Free

    • Qwen Code

      Developer Tools

      Open-source AI coding agent for terminal use

        Free

      • RooCode

        Developer Tools

        AI agents assist in coding tasks within a code editor.

          Free

        • TextCraft

          Writing & Content

          Integrates AI tools into Microsoft Word

            Free

          • TweetClaw

            Social Media

            Automates Twitter/X tasks like search, monitoring, and follower exports.

              Free

            • UQLM

              Developer Tools

              Uncertainty quantification for large language models

              • Uncertainty Quantification
              • Hallucination Detection
              • Code Generation UQ

              Free

            • Ulpaso

              Audio & Voice

              Transcribes meetings on-device and saves as local Markdown files.

                Free

              • Run autonomous AI agents with a starter kit.

                • Self-Hosted AI
                • Autonomous Agents

                Free

              • ponytail

                Developer Tools

                Helps AI agents write minimal code without sacrificing safety.

                • Agent Safety

                Free

              Showing 41–60 of 273 tools