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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

1,009 tools · sorted by quality

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bansos

bansos.dev — Promo developer Indonesia: domain gratis, AI credits, cloud credits, hosting free-tier, API credits, database credits, startup...

Score 89 GitHub stars 67 Open source
wandesk

Wandesk — an open-source AI desktop. One shell, one AI kernel, one workerd; every app is a Worker site the built-in agent can write for you.

Score 89 GitHub stars 67 Open source
opendray

Self-hosted gateway for Claude Code, Codex, Antigravity, Grok Build, OpenCode. Run AI coding agents on your own infra with a shared local-fi...

Score 89 GitHub stars 66 Open source
harmony

The Harmony Python library: a research tool for psychologists to harmonise data and questionnaire items. Open source.

Score 89 GitHub stars 66 Open source
lelu

Open source authorization engine for AI agents. Confidence-aware gating · Human-in-the-loop review · Policy-as-code · Full audit trail

Score 89 GitHub stars 66 Open source
mcp-zap-server

Give AI agents a safe, self-hosted OWASP ZAP operator for guided web security scans, findings, reports, and production guardrails.

Score 89 GitHub stars 65 Open source
gantry

Native macOS app for managing and monitoring Docker — local and over SSH. Agent-ready: built-in MCP server and App Intents. Free and open so...

Score 89 GitHub stars 65 Open source
LogSentinelAI

LLM-powered security log analyzer: detect threats & anomalies with zero regex — just declare a Pydantic schema. Real-time Telegram alerts, S...

Score 89 GitHub stars 65 Open source
Lyrica

Lyrica API is a free, open-source Python tool to fetch unsynced, line-synced (LRC), word-level, and syllable-level synchronized song lyrics....

Score 89 GitHub stars 64 Open source
assaio

Is your AI coding spend delivering? Offline-first analytics for Claude Code, Codex CLI, Gemini CLI, GitHub Copilot CLI and Cline — $/100 AI...

Score 89 GitHub stars 64 Open source
threadplane

The open-source thread-plane for agents: chat, durable threads, persistence, human approvals, and generative UI for Angular, on LangGraph an...

Score 89 GitHub stars 64 Open source
EasyMint

Open-source desktop AI coding platform with built-in Pi Agent (pi-coding-agent) — a graphical AI programming assistant that lets non-technic...

Score 89 GitHub stars 63 Open source
open-sunsama

Open-source Sunsama alternative: a daily planner with kanban, time blocking, and focus mode that Claude and ChatGPT can use. One-click MCP c...

Score 89 GitHub stars 63 Open source
yantrikdb

Cognitive memory engine for AI agents — temporal decay, contradiction detection, autonomous consolidation, knowledge graph, ANN recall via H...

Score 89 GitHub stars 63 Open source
bifrost

Bifrost Integrations is an open-source automation platform designed to democratize best-in-class tooling for the emerging Integration Servic...

Score 89 GitHub stars 63 Open source
Claude-Code-Playbooks

Free, open-source library of 1,179+ copy-paste CLAUDE.md playbooks for Claude Code — covering finance, marketing, dev tools, legal, HR, and...

Score 89 GitHub stars 63 Open source
OneCamp-fe

OneCamp: self-hosted all-in-one workspace (chat, tasks, video calls, docs, calendar & AI)

Score 89 GitHub stars 62 Open source
solokit

Open-source session-driven development framework for building production software with AI (Claude Code) — scaffolding, quality gates, learni...

Score 89 GitHub stars 62 Open source
SponsorFit

Turn any open-source repo into a sustainable business.

Score 89 GitHub stars 62 Open source
OpenThesis

Open-source, model-agnostic AI company research for long-term investors. · 面向长期投资者的开源、模型无关 AI 公司研究系统。

Score 89 GitHub stars 61 Open source
PersonalJarvis

Self-hosted voice assistant. Speak to your computer: it answers aloud, types your dictation, and operates your apps.

Score 89 GitHub stars 60 Open source
bgts-context-engine

Deterministic code-graph context engine for AI coding agents - PostgreSQL + Apache AGE + pgvector, MCP & REST, no LLM in the loop.

Score 89 GitHub stars 60 Open source
zeph

A memory-first AI agent that remembers why decisions were made — not just the last message. Runs local (Ollama), cloud (Claude · OpenAI · Ge...

Score 89 GitHub stars 60 Open source
bash4llm

Runtime-free Bash-first wrapper for LLM APIs. Groq-native, extensible to Gemini/Mistral/HuggingFace. Secure, auditable, Termux-friendly.

Score 89 GitHub stars 60 Open source
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