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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

998 tools · sorted by quality

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SnapOtter

Open-source, self-hosted file-processing tool. Convert, compress, OCR, transcribe & run local AI across image, video, audio, PDF & documents...

Score 97 GitHub stars 2,733 Open source
xTuring

Build, personalize and control your own LLMs. From data pre-processing to fine-tuning, xTuring provides an easy way to personalize open-sour...

Score 97 GitHub stars 2,674 Open source
pluely

The Open Source Alternative to Cluely - A lightning-fast, privacy-first AI assistant that works seamlessly during meetings, interviews, and...

Score 97 GitHub stars 2,674 Open source
natively-cluely-ai-assistant

Natively — Free open-source AI meeting assistant, interview copilot, and note taker. The best alternative to Cluely, Otter, Granola, Final R...

Score 97 GitHub stars 2,594 Open source
CloddsBot

Open Source AI trading agent that operates autonomously across 1000+ markets - Polymarket, Kalshi, Binance, Hyperliquid, Solana DEXs, 5 EVM...

Score 97 GitHub stars 2,555 Open source
Memoh

✨ The open-source multi-agent platform. Every agent gets its own computer, desktop, network, and long-term memory. You can bring your own...

Score 97 GitHub stars 2,540 Open source
SAG

A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents.

Score 97 GitHub stars 2,503 Open source
harnessrouter

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, H...

Score 97 GitHub stars 2,486 Open source
TranslateBooksWithLLMs

Translate full-length books and documents with Ollama, OpenAI-compatible, Gemini, Mistral, DeepSeek, Poe or OpenRouter. Preserves formatting...

Score 97 GitHub stars 2,435 Open source
ballerine

Open-source infrastructure and data orchestration platform for risk decisioning

Score 97 GitHub stars 2,434 Open source
BeeCount

Local-first bookkeeping for iOS/Android/Web · Self-hosted cloud + iCloud/WebDAV/S3 sync · AI capture · MCP | 本地优先的跨端记账 · 自建云 + i...

Score 97 GitHub stars 2,294 Open source
learnhouse

The Next-gen Open Source learning platform for everyone ✨

Score 97 GitHub stars 2,227 Open source
open-codex-computer-use

👾 Open Computer Use – Open-Source Alternative to Codex Computer Use

Score 97 GitHub stars 2,184 Open source
conduit

Native iOS and Android client for Open WebUI, direct OpenAI-compatible, Ollama, and Hermes agents.

Score 97 GitHub stars 2,171 Open source
weektodo

WeekToDo is a Free and Open Source Minimalist Weekly Planner and To Do list App focused on privacy. Available for Windows, Mac, Linux or on...

Score 97 GitHub stars 2,162 Open source
tinyfish-cookbook

A collection of sample apps and recipes built with the TinyFish web agent. Open-source examples for you to learn & build!

Score 97 GitHub stars 2,144 Open source
spikingjelly

SpikingJelly is an open-source deep learning framework for Spiking Neural Network (SNN) based on PyTorch.

Score 97 GitHub stars 2,140 Open source
open-kritt

Open-source, self-hosted AI vulnerability research tool that orchestrates agents to find and validate security issues in code.

Score 97 GitHub stars 2,134 Open source
Orkas

Orkas is an open-source, local-first AI desktop app: a commander LLM directs specialist sub-agents, and runs your installed coding CLIs — Cl...

Score 97 GitHub stars 2,117 Open source
pinvou-agent

Open-source desktop AI agent for tools, files, knowledge, workflows, and real deliverables.

Score 97 GitHub stars 2,121 Open source
spark

.NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.

Score 97 GitHub stars 2,096 Open source
cultivation-world-simulator

基于 AI Agent 工作流的修仙世界模拟器,旨在还原智能、开放的仙侠世界。| An open-source Cultivation World Simulator using Agentic Workflow to c...

Score 97 GitHub stars 2,024 Open source
Butterfly

🎨 Powerful, minimalistic, cross-platform, opensource note-taking app

Score 97 GitHub stars 2,013 Open source
openakita

An open-source AI assistant framework with skills and agent architecture

Score 97 GitHub stars 1,991 Open source
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