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Top 23 openai Open-Source Projects
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AutoGPT
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
AutoGPT (agpt.co): Open-source autonomous agent framework, released in 2023. Pioneering example of general-purpose agent architecture; known for demonstrating both promise and limitations of autonomous systems.
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MarkItDown is Microsoft's official converter, MIT-licensed, currently at v0.1.5 (released February 20, 2026). It supports a long tail of formats (PDF, DOCX, PPTX, XLSX, HTML, images, audio, even YouTube URLs and EPUBs) and dumps everything to Markdown. The architecture is a thin wrapper around format-specific Python libraries (pdfminer.six for PDFs, python-pptx, mammoth, etc.). No models. No GPU. pip install and you're done in about ten seconds.
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Project mention: Bringing MongoDB Atlas and Voyage AI to Dify: Build RAG Workflows and Data Agents Without Heavy Glue Code | dev.to | 2026-05-31
The MongoDB extensions for Dify help close that gap.
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Project mention: Quick and easy local AI RAG setup with JetBrains IDE integration and browser UI | dev.to | 2026-06-02
To get a local web UI (that is very similar to CharGPT) that supports Retrieval Augmented Generation (RAG), workflows and many other features, we'll use Open WebUI (https://github.com/open-webui/open-webui). Although it can be setup using locally installed Python, I've decided to try out their Docker image instead. Since I have an Nvidia card, I've used their Nvidia GPU supported docker image.
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Project mention: Scarab Diagnostic Suite Field Test #011: LangChain Structured Output Streaming Boundary | dev.to | 2026-06-04
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View on GitHub
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ragflow
RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs
Project mention: I Scanned 5 Popular Open-Source AI Projects for EU AI Act Compliance. Here's What I Found. | dev.to | 2026-03-31I ran AIR Blackbox (the scanner itself), Browser Use (79K+ stars), RAGFlow (76K+ stars), LiteLLM (23K+ stars), and Superlinked (15K+ stars) through the same compliance checks.
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LobeHub
The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you.
Project mention: Show HN: AI Roundtable – Let 200 models debate your question | news.ycombinator.com | 2026-03-24You can set this up yourself with API keys to the corresponding providers and creating an Agent Group in https://github.com/lobehub/lobehub. Agent groups allow you to easily create a room of agents and have them discuss any of your topics. Easily make agents with types and skills, it even assists in drafting starting prompts and even team members depending what your query (and selected model) is.
You can self-host as well, but not via desktop app. Sever setup required.
Be careful of your token context, you can easily rack up costs if you leave Opus selected as the model and get lost in some rabbit hole of results.
Enjoy enjoy!
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OpenHands AGENTS.md
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Prompt-Engineering-Guide
🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.
Prompt Engineering Guide
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Hookele started from OpenAI's GPT-5.1 coding agent notebook, which wires run_command, apply_patch, web_search, and Context7 docs lookup (a third-party library-documentation service) into the Responses API. The cookbook walks through the happy path. What follows is what happens when the happy path breaks: streams that drop mid-reasoning, diffs that fail to apply because context drifted by two characters, models that stall for 40 iterations without doing anything productive.
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gpt4free
The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3
Project mention: GPT4Free: "educational project" for free LLM inference from various services | news.ycombinator.com | 2025-06-30 -
unsloth
Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss locally.
Project mention: I Trained an LLM on 75K of My Own Messages So It Would Stop Writing Like a Chatbot | dev.to | 2026-05-08Training: unsloth + trl (SFTTrainer). Unsloth handles the 4-bit quantization and gradient checkpointing; trl handles the training loop.
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oh-my-openagent
omo; the one and only agent harness for complex codebases. the pickaxe for complex software engineering. For your Codex, for your OpenCode
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Project mention: ChatGPT VS BotVa - a user suggested alternative | libhunt.com/r/ChatGPT | 2026-03-23
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Project mention: I Tested Flowise, Dify, and n8n Across 30+ Client Deployments. Here Is My Verdict. | dev.to | 2026-04-07
Citation Capsule: n8n's GitHub community reached 182,000+ stars across a 7-year development history, with 70+ AI-specific nodes added in 2024 to 2025. Source: n8n GitHub. Dify crossed 106,000 stars on GitHub with an Apache 2.0 license. Source: Dify GitHub. Flowise reached 51,000+ stars with MIT license. Source: Flowise GitHub. Dify's minimum recommended RAM is 4 GB versus Flowise's 1 GB and n8n's 300 MB. Source: Dify Docs.
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Project mention: CLI to manage your SQL database schemas and migrations | news.ycombinator.com | 2025-11-01
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whisper.cpp is Georgi Gerganov's port of OpenAI's Whisper model to plain C++. It runs on CPU, no GPU needed, and the smallest model (ggml-tiny.bin) is only about 75MB.
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litellm
Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]
— Getting Started
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Project mention: Microsoft pulled internal Claude Code licenses — what their engineers' preference tells you about picking AI tools | dev.to | 2026-06-06
Aider with a bring-your-own API key has no subscription floor. Pay per token. For 2-3 focused hours per week, costs less than $20/mo. For full-time use, costs more than Max. Best for terminal natives who already live in tmux and do not want a separate IDE.
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CowAgent
Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, autonomously grows with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)
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system_prompts_leaks
Extracted system prompts from Anthropic - Claude Code, Claude Design, Opus 4.8, Sonnet 4.6. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex, Google - Gemini - 3.5 Flash, 3.1 Pro, Antigravity, xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.
Project mention: System_prompts_leaks: Anthropic/Claude-Opus-4.6.md | news.ycombinator.com | 2026-04-06 -
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
openai discussion
openai related posts
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Microsoft pulled internal Claude Code licenses — what their engineers' preference tells you about picking AI tools
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I benchmarked Python AI-app security scanners. Here's what each catches.
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Building AI Agents in Python
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Agent Client Protocol (ACP): Connect Any AI Agent to Any Editor
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Why I Turned My Open-Source GEO Audit CLI Into a SaaS Monitoring Platform
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Stratoclave: a tenant-aware credit gateway for Amazon Bedrock — now with OpenAI codex support
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Codexia: "IDE" for Codex and Claude Code
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source openai projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | AutoGPT | 184,738 |
| 2 | markitdown | 146,166 |
| 3 | dify | 143,689 |
| 4 | open-webui | 139,852 |
| 5 | langchain | 138,635 |
| 6 | generative-ai-for-beginners | 111,683 |
| 7 | ragflow | 81,919 |
| 8 | LobeHub | 78,186 |
| 9 | OpenHands | 75,905 |
| 10 | Prompt-Engineering-Guide | 75,276 |
| 11 | openai-cookbook | 73,964 |
| 12 | gpt4free | 66,281 |
| 13 | unsloth | 65,904 |
| 14 | oh-my-openagent | 60,999 |
| 15 | ChatGPT | 54,393 |
| 16 | Flowise | 53,317 |
| 17 | dbeaver | 50,419 |
| 18 | whisper.cpp | 50,408 |
| 19 | litellm | 49,432 |
| 20 | aider | 45,826 |
| 21 | CowAgent | 45,060 |
| 22 | system_prompts_leaks | 41,269 |
| 23 | chatbox | 40,313 |
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