// 1,648 open-source projects indexed

$ Discover the best projects built with FastAPI

A hand-curated, daily-updated gallery of open-source projects. Browse the ecosystem, ranked by GitHub stars.

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#all#aiml616#devtools595#apis125#templates75#authentication66

// 1648 results

User-friendly AI Interface (Supports Ollama, OpenAI API,...). Maintained by open-webui on GitHub, where it has earned 151,673 stars from the community.

@open-webui4w ago

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server. Maintained by headroomlabs-ai on GitHub, where it has earned 74,514 stars from the community.

@headroomlabs-ai2h ago

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]. Maintained by BerriAI on GitHub, where it has earned 55,577 stars from the community.

@BerriAI2mo ago

Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose. Maintained by fastapi on GitHub, where it has earned 45,895 stars from the community.

Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA. Maintained by mouredev on GitHub, where it has earned 36,762 stars from the community.

@mouredev1y ago

Open Source AI Platform - AI Chat with advanced features that works with every LLM. Maintained by onyx-dot-app on GitHub, where it has earned 31,937 stars from the community.

@onyx-dot-app4w ago

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data. Maintained by mlflow on GitHub, where it has earned 27,368 stars from the community.

Build multimodal AI applications with cloud-native stack. Maintained by jina-ai on GitHub, where it has earned 21,862 stars from the community.

HivisionIDPhotos: a lightweight and efficient AI ID photos tools. AI。. Maintained by Zeyi-Lin on GitHub, where it has earned 21,339 stars from the community.

@Zeyi-Lin3mo ago

「Douyin_TikTok_Download_API」、、TikTok、Bilibili，API，。. Maintained by Evil0ctal on GitHub, where it has earned 19,134 stars from the community.

@Evil0ctal12mo ago

SQL databases in Python, designed for simplicity, compatibility, and robustness. Maintained by fastapi on GitHub, where it has earned 18,244 stars from the community.

@fastapi2mo ago

FastAPI Best Practices and Conventions we used at our startup. Maintained by zhanymkanov on GitHub, where it has earned 17,830 stars from the community.

@zhanymkanov5mo ago

Open-source NotebookLM alternative. Research the open web with live data(Reddit, YT, IG, TikTok, Indeed, Google Search, Maps etc) through one platform, API or MCP server. Join our Discord: https://discord.gg/ejRNvftDp9. Maintained by MODSetter on GitHub, where it has earned 16,092 stars from the community.

@MODSetter5w ago

Learn ML engineering for free in 4 months! Register here. Maintained by DataTalksClub on GitHub, where it has earned 13,852 stars from the community.

@DataTalksClub2mo ago

（XiaoHongShu、RedNote）/：、、、；、；；；. Maintained by JoeanAmier on GitHub, where it has earned 12,228 stars from the community.

@JoeanAmier2mo ago

a small, expressive orm -- supports postgresql, mysql, sqlite, now with asyncio. Maintained by coleifer on GitHub, where it has earned 11,995 stars from the community.

@coleifer1d ago

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!. Maintained by tadata-org on GitHub, where it has earned 11,976 stars from the community.

@tadata-org10mo ago

AI Observability & Evaluation. Maintained by Arize-ai on GitHub, where it has earned 10,902 stars from the community.

@Arize-ai2mo ago

Polar — A billing platform for the intelligence era. Maintained by polarsource on GitHub, where it has earned 10,335 stars from the community.

@polarsource1h ago

Open-source, low-code AutoML platform for Python. PyCaret 4.0: sklearn-native engine + React control plane. Maintained by pycaret on GitHub, where it has earned 9,834 stars from the community.

@pycaret5mo ago

-，，（FileCodeBox - File Express Cabinet - Anonymous Passcode Sharing Text, Files, Like Taking Express Delivery for Files）. Maintained by vastsa on GitHub, where it has earned 8,505 stars from the community.

An orchestration engine for background tasks, AI agents, and durable workflows. Maintained by hatchet-dev on GitHub, where it has earned 8,072 stars from the community.

@hatchet-dev1h ago

Python / Asynchronous multi-platform chatbot framework written in Python. Maintained by nonebot on GitHub, where it has earned 7,649 stars from the community.

@nonebot2mo ago

： RAG、、、MCP/Skills、。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows. Maintained by xerrors on GitHub, where it has earned 6,693 stars from the community.

Memory library for building stateful agents. Maintained by plastic-labs on GitHub, where it has earned 6,433 stars from the community.

@plastic-labs2mo ago

Ready-to-use and customizable users management for FastAPI. Maintained by fastapi-users on GitHub, where it has earned 6,209 stars from the community.

@fastapi-users3mo ago

An automated document analyzer for Paperless-ngx using OpenAI API, Ollama, Deepseek-r1, Azure and all OpenAI API compatible Services to automatically analyze and tag your documents. Maintained by clusterzx on GitHub, where it has earned 5,876 stars from the community.

@clusterzx2mo ago

Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI. Maintained by AgentOps-AI on GitHub, where it has earned 5,751 stars from the community.

@AgentOps-AI3mo ago

A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines. Maintained by OpenBMB on GitHub, where it has earned 5,713 stars from the community.

TSP、 A 「 + + 」 | LLM++ | |. Maintained by shy3130 on GitHub, where it has earned 5,643 stars from the community.

@shy313011h ago

AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist agents (FastAPI + Next.js). Maintained by SenteLabsAI on GitHub, where it has earned 5,510 stars from the community.

@SenteLabsAI1h ago

A GPU cluster manager for high-performance AI model serving (vLLM, SGLang) and on-demand SSH-accessible GPU instances. Maintained by gpustack on GitHub, where it has earned 5,436 stars from the community.

@gpustack2mo ago

A general-purpose AIGC video engine: script to finished film in one pipeline — dramas, ads, product videos, otome games, and more. | AIGC —— ，、、、. Maintained by dramaclaw on GitHub, where it has earned 5,415 stars from the community.

@dramaclaw4w ago

Dockerized FastAPI wrapper for Kokoro-82M text-to-speech model w/multiplatform CPU, AMD, NVIDIA GPU PyTorch support; voice-mixing, auto-stitching, captioned timestamps. Maintained by remsky on GitHub, where it has earned 5,292 stars from the community.

AI ： YouTube/Bilibili 、、、。. Maintained by liuzhao1225 on GitHub, where it has earned 5,239 stars from the community.

@liuzhao12253mo ago

Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more. Maintained by Kiln-AI on GitHub, where it has earned 5,011 stars from the community.

@Kiln-AI2mo ago

Autonomous Hacking Agent for Red Team. Maintained by PurpleAILAB on GitHub, where it has earned 4,980 stars from the community.

@PurpleAILAB2mo ago

Like Vercel, but open source and for all languages. Maintained by hunvreus on GitHub, where it has earned 4,744 stars from the community.

@hunvreus8mo ago

A GraphQL library for Python that leverages type annotations. Maintained by strawberry-graphql on GitHub, where it has earned 4,704 stars from the community.

@strawberry-graphql8w ago

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins. Maintained by IBM on GitHub, where it has earned 4,578 stars from the community.

AI observability platform for production LLM and agent systems. Maintained by pydantic on GitHub, where it has earned 4,508 stars from the community.

@pydantic1h ago

A full-featured and easy-to-use web framework with the Rust programming language. Maintained by poem-web on GitHub, where it has earned 4,445 stars from the community.

@poem-web2h ago

Configuration Management for Python. Maintained by dynaconf on GitHub, where it has earned 4,333 stars from the community.

@dynaconf5d ago

Huma REST/HTTP API Framework for Golang with OpenAPI 3.1. Maintained by danielgtaylor on GitHub, where it has earned 4,293 stars from the community.

@danielgtaylor2mo ago

ChatGPT Plus 。ChatGPT Plus / OpenAI API sharing solution. Maintained by chatpire on GitHub, where it has earned 4,273 stars from the community.

@chatpire1y ago

Open-source no-code & code web app builder. Maintained by Atri-Labs on GitHub, where it has earned 4,068 stars from the community.

@Atri-Labs3y ago

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV. Maintained by datamodel-code-generator on GitHub, where it has earned 4,028 stars from the community.

@datamodel-code-generator1h ago

A minimal Python framework for building custom AI inference servers with full control over logic, batching, and scaling. Maintained by Lightning-AI on GitHub, where it has earned 3,923 stars from the community.

@Lightning-AI2mo ago

Easiest and laziest way for building multi-agent LLMs applications. Maintained by LazyAGI on GitHub, where it has earned 3,860 stars from the community.

@LazyAGI2mo ago

Open-source security automation platform for teams and AI agents. Maintained by TracecatHQ on GitHub, where it has earned 3,825 stars from the community.

@TracecatHQ1h ago

A fast admin dashboard based on FastAPI and TortoiseORM with tabler ui, inspired by Django admin. Maintained by fastapi-admin on GitHub, where it has earned 3,809 stars from the community.

@fastapi-admin1y ago

High-performance Inference and Deployment Toolkit for LLMs and VLMs based on PaddlePaddle. Maintained by PaddlePaddle on GitHub, where it has earned 3,703 stars from the community.

@PaddlePaddle2mo ago

A familiar HTTP Service Framework for Python. Maintained by kennethreitz on GitHub, where it has earned 3,620 stars from the community.

@kennethreitz2mo ago

The fastest local AI engine for Apple Silicon. 4.2x faster than Ollama, 0.08s cached TTFT, 100% tool calling. 17 tool parsers, prompt cache, reasoning separation, cloud routing. Drop-in OpenAI replacement. Works with Claude Code, Cursor, Aider. Maintained by raullenchai on GitHub, where it has earned 3,400 stars from the community.

@raullenchai2mo ago

Codex/ChatGPT multiple account load balancer & proxy with usage tracking, dashboard, and OpenCode-compatible endpoints. Maintained by Soju06 on GitHub, where it has earned 3,306 stars from the community.

Turns your machine learning code into microservices with web API, interactive GUI, and more. Maintained by ml-tooling on GitHub, where it has earned 3,133 stars from the community.

@ml-tooling2mo ago

Represent, send, store and search multimodal data. Maintained by docarray on GitHub, where it has earned 3,123 stars from the community.

@docarray6mo ago

A computer you can curl. Maintained by open-webui on GitHub, where it has earned 3,102 stars from the community.

@open-webui3w ago

Auto-register & manage accounts for ChatGPT, Cursor, Kiro, Grok, Windsurf, Trae & 13+ AI platforms · Protocol/browser dual-mode · Plugin-based · One-click Mac/Windows desktop app. Maintained by lxf746 on GitHub, where it has earned 3,090 stars from the community.

Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning. Maintained by tiangolo on GitHub, where it has earned 2,915 stars from the community.

@tiangolo2mo ago

What is FastAPI?

FastAPI is a modern Python framework for high-performance APIs with automatic OpenAPI docs. This gallery lists 1,648 open-source projects built with FastAPI, most of them in AI & ML, DevTools and APIs, ranked by GitHub stars so the most-adopted repositories come first.

How projects are selected

Projects are public GitHub repositories found with the GitHub search query “topic:fastapi” and at least 30 stars. Each repository is checked against FastAPI’s languages and ecosystem before it is categorized, and stars, forks and last-commit dates come straight from the GitHub API, refreshed daily (current snapshot: October 6, 2026). Nothing here is paid placement.

FastAPI projects: FAQ

How many open-source FastAPI projects are listed?: 1,648 open-source projects built with FastAPI are listed, sourced from public GitHub repositories as of October 6, 2026.
What is the most-starred FastAPI project on GitHub?: open-webui leads with 151,673 GitHub stars (151.7k), followed by headroom with 74,514.
What kinds of projects are built with FastAPI?: The largest category is AI & ML, with 616 projects (37% of the gallery), followed by DevTools with 595. Projects span 14 categories in total.
Which license do most FastAPI projects use?: MIT is the most common license, used by 876 of 1,648 projects (53%); Apache-2.0 is next with 208. 400 projects declare no recognized license.

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