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User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.

The OpenAPI Specification Repository

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

📘 OpenAPI/Swagger-generated API Reference Documentation

The Cloud-Native API Gateway and AI Gateway

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!

💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

🕸️ Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.

Light, flexible and extensible ASGI framework | Built to scale

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

Open-source auth gateway connecting 1400+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.

package for building REST-style Web Services using Go

LoopBack makes it easy to build modern API applications that require complex integrations.

Every API has a secret identity. This finds it, absorbs every feature from every competing tool, then builds the GOAT CLI — designed for AI agents first, with SQLite sync, offline search, and compound insight commands.

The first AI agent that builds permissionless integrations through reverse engineering platforms' internal APIs.

Instant REST and MCP APIs for PostgreSQL and MySQL 8, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5.

Connexion is a modern Python web framework that makes spec-first and api-first development easy.

Input OpenAPI. Output SDKs and Docs.

Catch API bugs before your users do

Automated generation of real Swagger/OpenAPI 2.0 schemas from Django REST Framework code.

Cortex - Generates interactive API documentation, typed SDKs, and MCP servers from OpenAPI, AsyncAPI, GraphQL, gRPC, OpenRPC, and Markdown.

Generates documentation for your REST API from attributes

Wizard是一款开源的文档管理工具，支持Markdown/Swagger/Table类型的文档。

Seamlessly adds a Swagger to Rails-based API's

Self-Hosted API Management for Builders

DreamFactory is a secure, self-hosted enterprise data access platform that provides governed API access to any data source, connecting enterprise applications and on-prem LLMs with role-based access and identity passthrough.

The fastest Python web framework, built on Django. Rust (Actix Web) HTTP server + async typed handlers + msgspec, with the full Django ORM, Admin, middleware and auth. 300k+ req/s, no gunicorn/uvicorn.