Open-Source AI Tools (Free)

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Weekly · AI tools

Viglet Turing ES
AI Search
Open-source enterprise search and generative AI platform with RAG chat and AI agents.
- RAG Chat
- AI Agents
- Faceted Search
Free
Details
showmd
Writing & Content
Free macOS Quick Look extension for beautiful Markdown rendering
- Markdown Viewer
- YAML Frontmatter
- Markdown Preview
Free
Details
Agent S2 (Simular)
AI Agents
Open agentic framework that uses computers like a human
Free
Details
AgentBench
AI Agents
Evaluates large language models as agents through a comprehensive benchmark
- Agent Evaluation
- Benchmarking
- LLM Testing
Free
Details
AgenticSeek
AI Agents
Autonomous agent for web browsing, coding, and execution with no API costs.
- Local Execution
- Privacy First
- Code Writing
Free
Details
Assemble
Developer Tools
Generates native config files to turn your IDE into a structured AI team.
- Spec-Driven Workflows
- Zero Runtime
- Zero Dependencies
Free
Details
Awesome AI Startups
Other
Curated list of bootstrapped AI startups and indie products
- AI Startups
- Indie Products
- Pre-Seed Funding
Free
Details
Awesome Marketing
Marketing
A curated list of marketing tools and resources for strategy, SEO, and analytics.
- Marketing Strategy
- SEO Optimization
- Keyword Research
Free
Details
BitFun
Developer Tools
Open-source agent runtime and desktop app for coding, Git, browser, terminal, and remote workspaces
- Code Agent
- Open-source
- Rust
Free
Details
Crew44
AI Agents
Orchestrates AI agents into coordinated teams for efficient task execution.
- AI Agents
- Productivity Tools
- Developer Tools
Free
Details
Mercury Agent
AI Agents
Soul-driven AI agent with permission-hardened tools, token budgets, and multi-channel access.
Free
Details
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
Details
Qwen Code
Developer Tools
Open-source AI coding agent for terminal use
Free
Details
RooCode
Developer Tools
AI agents assist in coding tasks within a code editor.
Free
Details
TextCraft
Writing & Content
Integrates AI tools into Microsoft Word
Free
Details
TweetClaw
Social Media
Automates Twitter/X tasks like search, monitoring, and follower exports.
Free
Details
UQLM
Developer Tools
Uncertainty quantification for large language models
- Uncertainty Quantification
- Hallucination Detection
- Code Generation UQ
Free
Details
Ulpaso
Audio & Voice
Transcribes meetings on-device and saves as local Markdown files.
Free
Details
openclaw-starter
AI Agents
Run autonomous AI agents with a starter kit.
- Self-Hosted AI
- Autonomous Agents
Free
Details
ponytail
Developer Tools
Helps AI agents write minimal code without sacrificing safety.
- Agent Safety
Free
Details

Showing 41–60 of 273 tools