1.open-webui / open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Ranked by Attention Score: stars gained over the last 90 complete days
87 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
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)
🚀 自托管的抖音、TikTok、B 站数据采集与无水印视频下载 API,支持 AI agent 通过 MCP 调用与离线语音转文字,Docker 一键部署。| Self-hosted TikTok, Douyin & Bilibili scraper and no-watermark video downloader — async REST API, MCP server for AI agents, CLI and web console, plus offline speech-to-text for downloaded videos. Self-healing identity pool, PostgreSQL archive, one docker compose up.
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
The Cloud-Native API Gateway and AI Gateway
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
The OpenAPI Specification Repository
Huma REST/HTTP API Framework for Golang with OpenAPI 3.1
Catch API bugs before your users do
📘 OpenAPI/Swagger-generated API Reference Documentation
Bichon – A lightweight, high-performance Rust email archiver with WebUI
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
Light, flexible and extensible ASGI framework | Built to scale
Generate Go client and server boilerplate from OpenAPI 3 specifications
OpenAPI Diff and Breaking Changes
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Automatically generate RESTful API documentation with Swagger 2.0 for Go.
💨 Fast, Async-ready, Openapi, type hints based framework for building APIs
Input OpenAPI. Output SDKs and Docs.
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!
Shuffle: A general purpose security automation platform. Our focus is on collaboration and resource sharing.
gRPC to JSON proxy generator following the gRPC HTTP spec
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
multimodal routing, geocoding, and map tiles
Modern Laravel OpenAPI (Swagger) documentation generator. No PHPDoc annotations required.
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
Lightweight embeddable web server written in pure C# with few dependencies to 3rd-party libraries.
The Standard Webhooks specification
⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.
Framework for building high quality, interactive API documentation.
🕸️ Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.
Design-first Go framework that generates API code, documentation, and clients. Define once in an elegant DSL, deploy as HTTP and gRPC services with zero drift between code and docs.
vacuum is the worlds fastest and most versatile OpenAPI, Arazzo, AsyncAPI & JSON Schema linter, docs generator and toolkit. It tears through API specs at light speed. 100% compatible with Spectral rulesets, and OpenAPI 3.0, 3.1 and 3.2
Instant REST and MCP APIs for PostgreSQL and MySQL, 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
Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.
The Arazzo Specification - A Tapestry for Deterministic API Workflows
Precision documentation from OpenAPI, MCP, Doxygen, and Markdown guides. Static HTML you own.
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.
Golang Fuego - Web framework generating OpenAPI 3 spec from source code - Pluggable to existing Gin & Echo APIs
libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.
Self-Hosted API Management for Builders
A secure, efficient TCP/UDP tunneling solution that delivers fast, reliable access across network restrictions using pre-established TCP/QUIC/WebSocket or HTTP/2 connections.
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
Library for OpenAPI 3 with spring-boot
Generates documentation for your REST API from attributes
Pode is a Cross-Platform PowerShell web framework for creating REST APIs, Web Sites, and TCP/SMTP servers
A curated list of awesome system integration software and resources.
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.
A coverage-guided REST API fuzzer developed on top of LibAFL
LoopBack makes it easy to build modern API applications that require complex integrations.
Connexion is a modern Python web framework that makes spec-first and api-first development easy.
Utility for comparing two OpenAPI specifications.
Shift-left API Integration | Auto-fix integration drift before integration. Specmatic turns API specifications into executable contracts, continuously verifying that every change made by AI coding agents and engineers stays true to the desired behaviour. Ship AI-ready APIs 10x faster, from intent to implementation, with Spec-Driven API Development.
A lightweight Python web API framework.
:seedling: Jane is a set of libraries to generate Models & API Clients based on JSON Schema / OpenAPI specs
REST framework for Delphi: JAX-RS style resources and routes, servers and clients, JWT, OpenAPI 3, FireDAC and Devart UniDAC/MyDAC/IBDAC, SSE, MCP servers for AI agents. Windows, Linux, Docker.
🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...
Parse, Resolve, and Dereference JSON Schema $ref pointers in Node and browsers
Next-generation HTTP router for Go 1.27+ with type-safe handlers, RFC 9457 errors, and built-in OpenAPI generation. Minimal dependencies, blazing performance.
package for building REST-style Web Services using Go
OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python
A fast, lightweight and more productive microservices framework
Generate OpenAPI 3.1 specs from Go source code via static analysis — zero annotations, automatic framework detection
A REST API library with better functionality, performance, and scalability than refit
Sweet web apis with Compojure & Swagger
A curated list of awesome JSON Schema resources, tutorials, tools, and more
GUI / visual editor for creating and editing OpenAPI / Swagger definitions
⚡A lightweight, framework-agnostic OpenAPI 3.x specification builder for Go.
Zero-boilerplate REST API framework for PHP 8+. Auto-generates routes, docs, validation.
The best way to create REST APIs - Generate RESTful APIs from your GraphQL Server
Feishu(飞书)/Lark Open API Go SDK, Support ALL Open API and Event Callback.
go-doudou(doudou pronounce /dəudəu/)is OpenAPI 3.0 (for REST) spec and Protobuf v3 (for grpc) based lightweight microservice framework. It supports monolith service application as well.
A minimalistic, simple-to-use API linter
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.
A customizable style validator to make sure your OpenAPI spec follows your organization's standards.
pocketbase boilerplate
Ruby library for defining, generating and validating JSON Schema
OpenAPI/Swagger 3.0 Parser and Swift code generator
Delightful code generator for OpenAPI specs
WiRL: RESTful Library for Delphi
#️⃣ PHP Slack Client based on the official OpenAPI specification
Type-safe Swift client for GitHub's REST API, generated from GitHub's official OpenAPI spec with Apple's Swift OpenAPI Generator. Auto-released monthly.