Open Source Projects using OpenAI
A curated collection of the 185 best open source software using OpenAI. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Turn any website into clean, AI-ready data via API
Stars
Stars growing over the last 30 days194,626Last commit
10 hours agoLicense
AGPL-3.0
API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.
Open Source Alternative to:
Schedule, analyze, and manage 30+ social media accounts
Stars
Stars growing over the last 30 days37,643Last commit
11 hours agoLicense
AGPL-3.0
Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.
Open Source Alternative to:
Structured control layer for customer-facing AI agents
Stars
18,308Last commit
14 hours agoLicense
Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Open Source Alternative to:
Cookie-free web and product analytics, self-hostable
Stars
7,188Last commit
9 hours agoLicense
AGPL-3.0
Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.
Open Source Alternative to:
Task management with GitHub sync and AI agents for devs
Stars
Stars growing quickly over the last 30 days4,872Last commit
8 hours agoLicense
AGPL-3.0
Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically.
Open Source Alternative to:
Team chat with email, tasks, and docs in one workspace
Stars
Stars growing quickly over the last 30 days4,872Last commit
8 hours agoLicense
AGPL-3.0
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.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
Stars growing quickly over the last 30 days4,872Last commit
8 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Markdown docs wired into tasks, email, and agents
Stars
Stars growing quickly over the last 30 days4,872Last commit
8 hours agoLicense
AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Open Source Alternative to:
A self-building CRM powered by your email
Stars
Stars growing quickly over the last 30 days4,872Last commit
8 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
No-code database and app builder you can self-host
Stars
Stars growing over the last 30 days6,199Last commit
9 hours agoLicense
MIT
Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.
Open Source Alternative to:
Continuous compliance automation for SOC 2, ISO 27001 & more
Stars
Stars growing over the last 30 days334Last commit
8 hours agoLicense
Apache-2.0
Automates evidence collection, control tracking, and audit reporting across SOC 2, ISO 27001, NIST 800-53, GDPR, and 12+ other frameworks in one platform.
Open Source Alternative to:
An AI assistant that acts, not just answers
Stars
392,872Last commit
8 hours agoLicense
MIT
A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.
Open Source Alternative to:
Desktop AI agent with persistent memory across platforms
Stars
Stars growing over the last 30 days256,504Last commit
8 hours agoLicense
MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
Open Source Alternative to:
AI coding agent for terminal, IDE, and desktop
Stars
Stars growing over the last 30 days220,560Last commit
8 hours agoLicense
MIT
Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.
Open Source Alternative to:
Visual workflow automation with code flexibility and AI agents
Stars
208,398Last commit
8 hours agoLicense
Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.
Open Source Alternative to:
Build and run AI agents that handle recurring work for you
Stars
187,716Last commit
8 hours agoLicense
Other
Platform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.
Open Source Alternative to:
Build and deploy AI agents and RAG pipelines visually
Stars
159,368Last commit
11 hours agoLicense
Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.
Open Source Alternative to:
One interface for every AI model you run or connect
Stars
156,573Last commit
8 hours agoLicense
BSD-3-Clause
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Open Source Alternative to:
Visual builder for AI agents and RAG pipelines
Stars
155,971Last commit
8 hours agoLicense
MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.
Open Source Alternative to:
Minimal terminal coding agent you can fully customize
Stars
Stars growing over the last 30 days117,424Last commit
8 hours agoLicense
MIT
Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Open Source Alternative to:
Let AI agents control any browser, at scale
Stars
118,973Last commit
1 day agoLicense
MIT
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.
Open Source Alternative to:
High-throughput, memory-efficient serving engine for LLMs
Stars
95,239Last commit
8 hours agoLicense
Apache-2.0
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.
Open Source Alternative to:
Postgres-powered backend platform for production apps
Stars
113,752Last commit
8 hours agoLicense
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Open Source Alternative to:
Autonomous coding agents that complete real engineering tasks
Stars
Stars growing over the last 30 days91,668Last commit
10 hours agoLicense
MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.
Open Source Alternative to:
Manage, build, and run AI agent teams around the clock
Stars
83,449Last commit
9 hours agoLicense
Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
Open Source Alternative to:
Open-source AI coding agent for your editor and terminal
Stars
70,778Last commit
8 hours agoLicense
Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
73,777Last commit
19 hours agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
Persistent memory layer for AI agents and apps
Stars
67,710Last commit
10 hours agoLicense
Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
Open Source Alternative to:
Chat with your documents using any LLM, fully private
Stars
67,489Last commit
9 hours agoLicense
MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Open Source Alternative to:
LLM gateway for auth, load balancing, and spend tracking
Stars
Stars growing over the last 30 days61,913Last commit
8 hours agoLicense
Unknown
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Open Source Alternative to:
Self-hosted AI agent for chat, automation, and workflows
Stars
49,302Last commit
8 hours agoLicense
MIT
Lightweight, self-hosted AI agent that runs in a web UI, terminal, or chat app, handling long-running workflows with controlled token budgets.
Open Source Alternative to:
Project management for teams and AI agents
Stars
61,340Last commit
13 hours agoLicense
AGPL-3.0
Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.
Open Source Alternative to:
Build a custom CRM without the proprietary lock-in
Stars
Stars growing over the last 30 days59,598Last commit
8 hours agoLicense
AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open Source Alternative to:
Multi-model AI desktop client with local-first privacy
Stars
52,923Last commit
9 hours agoLicense
AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Open Source Alternative to:
One interface for all your AI models and conversations
Stars
Stars growing over the last 30 days46,217Last commit
11 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
A full desktop environment that runs in your browser
Stars
43,863Last commit
9 hours agoLicense
AGPL-3.0
Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.
Open Source Alternative to:
Free instant whiteboard with real-time collaboration
Stars
51,057Last commit
11 hours agoLicense
Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Open Source Alternative to:
AI pair programmer that works inside your terminal
Stars
49,717Last commit
5 months agoLicense
Apache-2.0
Terminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.
Open Source Alternative to:
AI-powered research notebook with full privacy control
Stars
40,508Last commit
4 days agoLicense
MIT
Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.
Open Source Alternative to:
Model-agnostic platform for building intelligent AI agents
Stars
42,874Last commit
13 hours agoLicense
Apache-2.0
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.
Open Source Alternative to:
Self-hosted AI agent with 70+ providers and 30+ channels
Stars
33,039Last commit
10 hours agoLicense
Apache-2.0
A single Rust binary that runs a personal AI agent on your own hardware, connecting to 70+ LLM providers and 30+ messaging channels with built-in sandboxing and cryptographic tool receipts.
Open Source Alternative to:
Headless CMS for developers, built with Node.js
Stars
45,449Last commit
9 hours agoLicense
MIT
A powerful, flexible, and developer-friendly content management system that prioritizes customization and scalability.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Openlane
Postiz
CodeRabbit