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Best Open Source AI Tools

Open-source AI gives you portable models, local runtimes, and auditable stacks. Explore high-signal projects here, then compare licenses and heat on the dedicated page.

Open compare table Related: Best Coding Agent Tools · Best LLM Chat Tools · Best RAG Tools · Best AI Image Generation Tools

Top tools

1,041 tools · sorted by quality

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Buffer

Buffer is a open-source lightweight, privacy-focused clipboard manager for macOS with searchable history and a quick ⇧⌘V shortcut.

Score 93 GitHub stars 430 Open source
devhunt

A launching platform for dev tools, built by developers. Open-source and collaborative, we use GitHub pull requests for listings and user lo...

Score 93 GitHub stars 424 Open source
aurora

Aurora — Open source AI-powered agentic incident management & root cause analysis for SREs. LangGraph agents investigate across AWS, Azure,...

Score 93 GitHub stars 422 Open source
project-raven

Open-source AI meeting copilot - real-time transcription, echo cancellation, and AI assistance. Captures system audio + mic, cancels echo vi...

Score 93 GitHub stars 421 Open source
wormhole

Open-source ngrok alternative. Expose your localhost to the internet with one command. Built with Go + Cloudflare Workers.

Score 93 GitHub stars 419 Open source
ai-platform-engineering

CAIPE is an open-source AI platform for building, governing, and operating AI agents and agentic workflows for platform engineering and beyo...

Score 93 GitHub stars 419 Open source
opencowork

Open-source, local-first desktop Agent Runtime for turning business goals into executable, reusable, and auditable workflows.

Score 93 GitHub stars 417 Open source
DreamLayer-Eval

DreamLayer Eval: open-source benchmarking for image and video diffusion models. Automate prompts, seeds, and metrics for reproducible result...

Score 93 GitHub stars 412 Open source
studio

Open-source control plane for your AI agents. Connect tools, hire agents, track every token and dollar

Score 93 GitHub stars 409 Open source
openaccountants

Open-source Tax Guides for AI agents, reviewed by named CPAs/CAs/EAs. 1,000+ Guides across 190+ jurisdictions. MCP server included. Works wi...

Score 93 GitHub stars 407 Open source
aidevops

Vibe-Coding is easy. DevOps is hard. OpenCode & Git token-efficient AI agent automation for your app, business, and personal development. Op...

Score 93 GitHub stars 400 Open source
ImageIndexer

Creates an index of images, queries a local LLM and adds tags to the image metadata

Score 93 GitHub stars 396 Open source
clay

A self-hosted workspace where people and coding agents work together across projects, sessions, and providers.

Score 93 GitHub stars 397 Open source
lemma-platform

The open-source workspace where humans and AI agents work as one team.

Score 93 GitHub stars 395 Open source
ifc-lite

Open-source IFC toolkit: WebGPU rendering, columnar in-memory store, exact-arithmetic geometry kernel. Runs from a CDN. 30+ TypeScript packa...

Score 93 GitHub stars 392 Open source
slotstream

Run a 105 GB AI model on a 48 GB Mac. Qwen3.8-Flash-Next (125B mixture of experts) streams its experts from SSD through a slot cache. Native...

Score 93 GitHub stars 391 Open source
convertigo

Convertigo is an Ai powered open source Enterprise Low Code platform including a No Code Application builder for full-stack mobile and web...

Score 93 GitHub stars 386 Open source
Abu-Cowork

Open-source alternative to Claude Cowork — a local-first AI agent desktop app · multi-model · self-evolving skills · privacy-first · multi-H...

Score 93 GitHub stars 383 Open source
myrlin-workbook

Open-source workspace manager for AI coding CLIs: Claude Code and ChatGPT Codex in one browser app. Discovers every session on disk, embedde...

Score 93 GitHub stars 382 Open source
dsh-hub-cli

Open-source CLI, schemas, resolver, and DSH agent tools for DSH Plugin Hub

Score 93 GitHub stars 370 Open source
AgentKit

Ready to Deploy Fullstack OpenSource Agentic Apps

Score 93 GitHub stars 370 Open source
minuet-ai.el

💃 Dance with LLM in Your Code. Minuet offers code completion as-you-type from popular LLMs including OpenAI, Gemini, Claude, Ollama, Llama....

Score 93 GitHub stars 370 Open source
compdf-generation

Generate PDFs effortlessly with the open-source ComPDF Generation SDK. Design HTML-based templates to produce business-critical documents, s...

Score 93 GitHub stars 366 Open source
the-pair

Open-source AI pair programming for desktop: a Mentor + Executor agent cross-check each other's code to catch AI hallucinations. Works with...

Score 93 GitHub stars 363 Open source
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