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Open-source repos for OpenAI

56 repos tagged OpenAI, sorted by GitHub stars. Add filters from the other category types to narrow the list.

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  1. anomalyco/opencode

    Terminal-first coding agent (opencode) that works with many model providers and supports desktop and IDE use.

    AI agents, Anthropic, Ollama, Engineering, SaaS, Indie hackers

    224k starsMITUpdated 3 Nov 2026
  2. n8n-io/n8n

    Visual workflow builder with 400+ app integrations and AI nodes, self-hostable as a Zapier or Make replacement.

    Workflow automation, AI agents, Docker, Web, Operations, Marketing, Agencies, SaaS, No-code, Self hosters

    209k starsOtherUpdated 3 Nov 2026
  3. langgenius/dify

    Platform for building LLM apps, chatbots and agent workflows with a visual editor and knowledge base.

    LLM apps, AI agents, RAG and search, Docker, Anthropic, Operations, Engineering, SaaS, Agencies, No-code

    160k starsOtherUpdated 3 Nov 2026
  4. open-webui/open-webui

    Self-hosted chat UI for Ollama and OpenAI-compatible models with RAG, tools and user management.

    LLM apps, Chatbots, RAG and search, Ollama, Docker, Operations, IT and security, Self hosters

    158k starsOtherUpdated 3 Nov 2026
  5. langchain-ai/langchain

    Framework for chaining LLM calls, tools and retrievers into applications across many model providers.

    LLM apps, AI agents, RAG and search, Anthropic, Engineering, SaaS

    149k starsMITUpdated 3 Nov 2026
  6. Shubhamsaboo/awesome-llm-apps

    Runnable collection of LLM app and agent templates for RAG, voice, MCP and multi-agent teams.

    LLM apps, AI agents, RAG and search, Anthropic, Engineering, Indie hackers

    144k starsApache-2.0Updated 23 Oct 2026
  7. openai/codex

    OpenAI's terminal coding agent that reads your repo, edits files and runs commands in a sandbox.

    AI agents, GitHub, Engineering, SaaS

    133k starsApache-2.0Updated 3 Nov 2026
  8. openai/whisper

    OpenAI's speech recognition model for transcribing and translating audio in many languages.

    Transcription, Captions and subtitles, Engineering, Creators, Media and publishing, Podcasts

    112k starsMITUpdated 31 Aug 2026
  9. ChatGPTNextWeb/NextChat

    Web and desktop chat front end for many model providers that you can deploy yourself with your own API keys.

    Chatbots, LLM apps, Anthropic, Vercel, Operations

    88.9k starsMITUpdated 20 Oct 2026
  10. lobehub/lobehub

    Chat workspace for multiple AI providers with agents, plugins, knowledge base and team sharing.

    LLM apps, Chatbots, AI agents, Anthropic, Ollama, Operations, Self hosters

    83.7k starsOtherUpdated 3 Nov 2026
  11. cline/cline

    Coding agent for VS Code and the terminal that plans, edits files and runs commands with your approval.

    AI agents, Anthropic, Ollama, Engineering, SaaS, Indie hackers

    71.2k starsApache-2.0Updated 3 Nov 2026
  12. FoundationAgents/MetaGPT

    Multi-agent framework that assigns agents product, architect and engineer roles to turn a brief into code.

    AI agents, Engineering, Product, SaaS

    71.1k starsMITUpdated 21 Jan 2026
  13. BerriAI/litellm

    Gateway that puts 100+ LLM providers behind one OpenAI-style API with spend tracking and limits.

    LLM apps, Monitoring, Anthropic, Engineering, Finance

    62.6k starsOtherUpdated 3 Nov 2026
  14. crewAIInc/crewAI

    Python framework for teams of role-based AI agents that split up and complete tasks together.

    AI agents, Engineering, Operations, SaaS, Agencies

    60.4k starsMITUpdated 3 Nov 2026
  15. FoundationAgents/OpenManus

    General-purpose agent that browses, writes code and uses tools to carry out multi-step tasks, built as an open Manus clone.

    AI agents, Engineering, Operations

    58.9k starsMITUpdated 2 Nov 2026
  16. zylon-ai/private-gpt

    API layer for building private AI apps on local models, with document Q&A, tools and text-to-SQL.

    RAG and search, LLM apps, Ollama, Engineering, IT and security, Legal, Healthcare, Self hosters

    57.6k starsApache-2.0Updated 29 Oct 2026
  17. aaif-goose/goose

    Local agent that installs packages, runs commands and edits files on your machine with any model provider.

    AI agents, Ollama, Anthropic, Engineering, Operations, SaaS

    56.2k starsApache-2.0Updated 3 Nov 2026
  18. CherryHQ/cherry-studio

    Desktop workspace for chatting with many cloud and local models, with assistants, knowledge bases and MCP tools.

    LLM apps, RAG and search, Ollama, Anthropic, Operations

    53.2k starsAGPL-3.0Updated 3 Nov 2026
  19. run-llama/llama_index

    Python and TypeScript framework for connecting language models to your documents and building retrieval agents.

    RAG and search, AI agents, LLM apps, Engineering, SaaS

    52.8k starsMITUpdated 27 Oct 2026
  20. mudler/LocalAI

    Drop-in local replacement for the OpenAI API that serves text, image and audio models.

    LLM apps, Docker, Engineering, Self hosters

    50.1k starsMITUpdated 3 Nov 2026
  21. Aider-AI/aider

    Terminal pair programmer that edits files in your git repo through chat and commits each change.

    AI agents, GitHub, Anthropic, Engineering, SaaS, Indie hackers

    49.9k starsApache-2.0Updated 22 May 2026
  22. LibreChat-AI/LibreChat

    Self-hosted ChatGPT-style interface for many AI providers with agents, file search and multi-user login.

    LLM apps, Chatbots, Anthropic, Docker, IT and security, Operations, Self hosters

    46.6k starsMITUpdated 2 Nov 2026
  23. chatboxai/chatbox

    Desktop and mobile client for chatting with cloud and local models, including Ollama, from one interface.

    LLM apps, Chatbots, Ollama, Anthropic, Operations

    42.2k starsGPL-3.0Updated 29 Oct 2026
  24. stanfordnlp/dspy

    Write LLM pipelines as Python modules and let DSPy tune prompts and weights against your metrics.

    LLM apps, AI agents, Engineering, Data and analytics, SaaS

    38.9k starsMITUpdated 3 Nov 2026
  25. continuedev/continue

    Coding agent and assistant for VS Code and JetBrains that works with cloud or local models.

    AI agents, Ollama, Anthropic, Engineering, SaaS

    36.4k starsApache-2.0Updated 3 Nov 2026
  26. OpenBMB/ChatDev

    Lets teams of LLM agents plan, code and test software together through configurable collaboration workflows.

    AI agents, Engineering, SaaS

    34.6k starsApache-2.0Updated 30 Oct 2026
  27. onyx-dot-app/onyx

    Workplace AI search and chat that connects to 40+ sources like Slack, Drive and Confluence.

    RAG and search, Knowledge base, Chatbots, Slack, Docker, Operations, Customer support, SaaS, Self hosters

    33.2k starsOtherUpdated 3 Nov 2026
  28. stanford-oval/storm

    LLM system that researches a topic on the web and writes a long, cited, Wikipedia-style article.

    Content writing, LLM apps, RAG and search, Marketing, Media and publishing, Education

    31.8k starsMITUpdated 30 Sept 2025
  29. openai/openai-agents-python

    OpenAI's lightweight SDK for multi-agent workflows with handoffs, guardrails and tracing.

    AI agents, Engineering

    30.5k starsMITUpdated 3 Nov 2026
  30. assafelovic/gpt-researcher

    Agent that researches a topic across many web sources and writes a cited report.

    AI agents, Content writing, SEO research, Marketing, Data and analytics, Media and publishing, Agencies

    30.5k starsApache-2.0Updated 11 Oct 2026
  31. karakeep-app/karakeep

    Read-later and bookmark app for links, notes and images that tags items with an LLM and offers full-text search.

    Knowledge base, LLM apps, Docker, Web, Operations, Self hosters

    30.3k starsAGPL-3.0Updated 2 Nov 2026
  32. labring/FastGPT

    Knowledge-base Q&A platform with visual workflow orchestration for building support bots.

    LLM apps, RAG and search, Chatbots, Docker, Customer support, Operations, SaaS, No-code, Self hosters

    30k starsOtherUpdated 3 Nov 2026
  33. simstudioai/sim

    Canvas for building and deploying AI agent workflows that connect LLMs to tools and business apps.

    AI agents, Workflow automation, LLM apps, Docker, Anthropic, Operations, Engineering, SaaS, No-code

    30k starsApache-2.0Updated 3 Nov 2026
  34. microsoft/semantic-kernel

    Microsoft SDK for adding AI models, plugins and agents to C#, Python and Java applications.

    AI agents, LLM apps, Engineering, SaaS

    28.7k starsMITUpdated 3 Nov 2026
  35. enescingoz/awesome-n8n-templates

    Collection of 280+ importable n8n workflow files for Gmail, Telegram, Slack, Notion, AI agents and RAG bots.

    Workflow automation, AI agents, Chatbots, Email, Telegram, Operations, Marketing, Agencies, No-code, Solo founders

    26.2k starsOtherUpdated 12 Sept 2026
  36. activepieces/activepieces

    No-code automation tool for connecting business apps, with AI steps and MCP support, MIT licensed.

    Workflow automation, AI agents, Docker, Web, Operations, Marketing, Agencies, SaaS, No-code, Self hosters

    25.4k starsOtherUpdated 3 Nov 2026
  37. letta-ai/letta

    Platform for building agents that keep long-term memory across sessions, formerly known as MemGPT.

    AI agents, LLM apps, Anthropic, Engineering, SaaS

    25.3k starsApache-2.0Updated 19 Oct 2026
  38. 1Panel-dev/MaxKB

    Enterprise knowledge-base assistant with RAG and agent workflows, embeddable into websites.

    Knowledge base, Chatbots, RAG and search, Docker, Ollama, Customer support, Operations, B2B services, SaaS, No-code, Self hosters

    23.1k starsGPL-3.0Updated 3 Nov 2026
  39. arc53/DocsGPT

    Self-hosted assistant that answers questions from your docs and help content, embeddable as a widget.

    Chatbots, RAG and search, Knowledge base, Ollama, Customer support, SaaS, Self hosters

    18.4k starsMITUpdated 2 Nov 2026
  40. emcie-co/parlant

    Framework for customer-facing LLM agents that follow explicit behaviour guidelines with traceable decisions.

    Chatbots, AI agents, LLM apps, Anthropic, Customer support, SaaS, Finance and fintech

    18.3k starsApache-2.0Updated 3 Nov 2026
  41. pipecat-ai/pipecat

    Python framework for voice and multimodal agents that chains speech recognition, an LLM and speech output.

    AI agents, Chatbots, Voiceover, Engineering, Customer support, SaaS

    17k starsBSD-2-ClauseUpdated 3 Nov 2026
  42. livekit/agents

    Framework for realtime voice and video agents that talk to callers over WebRTC or phone lines.

    AI agents, Chatbots, Engineering, Customer support, SaaS

    15.1k starsApache-2.0Updated 3 Nov 2026
  43. botpress/botpress

    Platform for building and deploying AI chatbots on web, WhatsApp, Telegram and more.

    Chatbots, Helpdesk, AI agents, WhatsApp, Telegram, Customer support, Marketing, SaaS, E-commerce, No-code

    15k starsMITUpdated 3 Nov 2026
  44. baptisteArno/typebot.io

    Builder for conversational forms and chat flows that embed on websites and collect leads.

    Chatbots, Forms and surveys, Lead generation, Web, WhatsApp, Marketing, Sales, SaaS, Agencies, No-code, Self hosters

    10.6k starsOtherUpdated 26 Oct 2026
  45. xorbitsai/inference

    Serving platform (Xinference) for open language, speech and image models with an OpenAI-compatible API.

    LLM apps, Hosting and deploy, Docker, Engineering, SaaS, Self hosters

    9.6k starsApache-2.0Updated 3 Nov 2026
  46. mishushakov/llm-scraper

    TypeScript library that uses an LLM and a schema to pull structured data out of any web page.

    Web scraping, LLM apps, Web, Engineering, Data and analytics

    7k starsMITUpdated 26 Oct 2026
  47. vas3k/TaxHacker

    Self-hosted AI app that reads receipts and invoices and sorts them for tax bookkeeping.

    Accounting, LLM apps, Web, Finance, B2B services, Self hosters, Solo founders

    6.8k starsMITUpdated 31 Oct 2026
  48. openai/openai-cs-agents-demo

    Reference app showing a multi-agent airline customer service flow built with the OpenAI Agents SDK.

    AI agents, Chatbots, Customer support, Engineering, Travel

    6.6k starsMITUpdated 18 Dec 2025
  49. wassupjay/n8n-free-templates

    Set of free n8n templates combining AI models, vector stores and common business apps.

    Workflow automation, AI agents, RAG and search, Operations, Marketing, Agencies, No-code

    6.2k starsUpdated 1 Aug 2025
  50. langchain-ai/social-media-agent

    LangGraph agent that turns a URL into drafted social posts and schedules them after human review.

    Content writing, Repurposing, Scheduling and publishing, X (Twitter), LinkedIn, Marketing, SaaS

    3k starsMITUpdated 28 Oct 2026
  51. filip-michalsky/SalesGPT

    LLM sales agent that follows a sales conversation playbook over chat, email or voice with tool use.

    AI agents, Outreach, Chatbots, Sales, SaaS, B2B services

    2.8k starsMITUpdated 17 Sept 2024
  52. kaymen99/sales-outreach-automation-langgraph

    LangGraph agents that research and qualify leads from a CRM and draft personalised outreach emails.

    Outreach, Enrichment, AI agents, Email, Sales, B2B services, Agencies

    405 starsUpdated 15 Jan 2025
  53. lawglance/lawglance

    RAG legal assistant that answers law questions from curated jurisdiction knowledge bases.

    RAG and search, LLM apps, Chatbots, Legal and compliance, Legal

    334 starsApache-2.0Updated 22 Sept 2026
  54. Tiledesk/tiledesk

    Platform for building LLM support chatbots with a visual flow builder and human handoff.

    Chatbots, Helpdesk, LLM apps, Web, WhatsApp, Customer support, SaaS, E-commerce, Self hosters, No-code

    326 starsMITUpdated 28 Oct 2026
  55. danishashko/geo-aeo-tracker

    Self-hosted dashboard that tracks how often your brand is mentioned in AI answer engines.

    Rank tracking, Social listening, Web, Marketing, SaaS, Agencies, Self hosters

    316 starsMITUpdated 19 Oct 2026
  56. harvard-lil/olaw

    Harvard LIL workbench for experimenting with retrieval-augmented legal AI over court data.

    RAG and search, LLM apps, Ollama, Legal and compliance, Legal, Education

    166 starsMITUpdated 30 Oct 2024