Best Open Source AI Tools

Privacy-first dictation app for Apple Silicon Macs that transcribes speech locally, cleans up output with AI, and auto-switches settings per app. Fully open source with code available on GitHub (https://github.com/beingpax/voiceink).

Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically. Fully open source with code available on GitHub (https://github.com/macro-inc/macro).

SQL GUI client for MySQL, Postgres, SQLite, SQL Server, and more, with a spreadsheet-like data editor, AI shell, SSH tunneling, and team workspaces. Fully open source with code available on GitHub (https://github.com/beekeeper-studio/beekeeper-studio).

Python library that lets AI agents browse the web by giving them real browser control, DOM access, and the ability to interact with any website. Fully open source with code available on GitHub (https://github.com/browser-use/browser-use).

Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models. Fully open source with code available on GitHub (https://github.com/openai/codex).

API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page. Fully open source with code available on GitHub (https://github.com/mendableai/firecrawl).

Build 2D, 3D, and XR games with a full-featured engine that includes its own scripting language, scene editor, and export tools for multiple platforms. Fully open source with code available on GitHub (https://github.com/godotengine/godot).

Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in. Fully open source with code available on GitHub (https://github.com/teamhanko/hanko).

Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing. Fully open source with code available on GitHub (https://github.com/nousresearch/hermes-agent).

Back up, organize, search, and browse your personal photo and video library on your own server, with no third-party cloud access. Fully open source with code available on GitHub (https://github.com/immich-app/immich).

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python. Fully open source with code available on GitHub (https://github.com/langflow-ai/langflow).

C/C++ inference engine for large language models, supporting quantization, multi-GPU, Apple Silicon, and an OpenAI-compatible server across a wide range of hardware. Fully open source with code available on GitHub (https://github.com/ggml-org/llama.cpp).

Team chat app with inline threads, mention-based sharing, a unified inbox for chat and email, and an AI agent that works across your full workspace. Fully open source with code available on GitHub (https://github.com/macro-inc/macro).

Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead. Fully open source with code available on GitHub (https://github.com/macro-inc/macro).

Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email. Fully open source with code available on GitHub (https://github.com/macro-inc/macro).

An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows. Fully open source with code available on GitHub (https://github.com/macro-inc/macro).

Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component. Fully open source with code available on GitHub (https://github.com/novuhq/novu).

Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in. Fully open source with code available on GitHub (https://github.com/stablyai/orca).

Inference and serving engine for large language models, built for speed and hardware efficiency with an OpenAI-compatible API and support for a wide range of open models. Fully open source with code available on GitHub (https://github.com/vllm-project/vllm).

Spinifex recreates EC2, S3, EBS, VPC, IAM, and more on your own hardware, so AWS-built software runs unchanged without touching a hyperscaler. Fully open source with code available on GitHub (https://github.com/mulgadc/spinifex).

Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk. Fully open source with code available on GitHub (https://github.com/rustdesk/rustdesk).

AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models. Fully open source with code available on GitHub (https://github.com/ProtonMail/WebClients/tree/main/applications/lumo).

Compliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection. Fully open source with code available on GitHub (https://github.com/getprobo/probo).

A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale. Fully open source with code available on GitHub (https://github.com/emcie-co/parlant).