1.binwiederhier / ntfy
Send push notifications to your phone or desktop using PUT/POST
Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 111 by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
Send push notifications to your phone or desktop using PUT/POST
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.
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
A curated list of free public APIs — searchable, community-maintained, with a free JSON API.
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
Low code web framework for real world applications, in Python and Javascript
lightweight, idiomatic and composable router for building Go HTTP services
The modern API client that lives in your terminal.
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
⚡️ Express inspired web framework written in Go
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, MCP and admin UI built on Rust, SQLite (PG) & Wasmtime.
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
🚀 A real-time monitoring dashboard for Claude Code & Codex, built with SQLite3, Node.js, Express, React, Vite, TailwindCSS, & WebSockets. It tracks sessions, agent activity, tool usage, and subagent orchestration, providing live analytics, a Kanban status board, status notifications, a cute buddy, & an interactive web UI/MacOS/Windows native app.
A cloud-native Go microservices framework with cli tool for productivity.
Huma REST/HTTP API Framework for Golang with OpenAPI 3.1
A modular, scalable and ultra-fast open-source all-in-one eCommerce platform built on ASP.NET Core 10
Full Modular Monolith application with Domain-Driven Design approach.
The definitive self-hosted URL shortener
Modern REST framework for Django with types and async support!
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
:date: Easy!Appointments - Self Hosted Appointment Scheduler
Generate Go client and server boilerplate from OpenAPI 3 specifications
MediaCMS is a modern, fully featured open source video and media CMS
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.
Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
💨 Fast, Async-ready, Openapi, type hints based framework for building APIs
The Restreamer is a complete streaming server solution for self-hosting. It has a visually appealing user interface and no ongoing license costs. Upload your live stream to YouTube, Twitch, Facebook, Vimeo, or other streaming solutions like Wowza. Receive video data from OBS and publish it with the RTMP and SRT server.
gRPC to JSON proxy generator following the gRPC HTTP spec
An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.
Headless open-source eCommerce platform on top of PHP/Symfony/API Platform
Google Gemini Notebook (formerly NotebookLM) over MCP + a local HTTP REST API. Citation-backed Q&A, full Studio generation, chat history, multi-account rotation. For Claude Code, Codex, Cursor, n8n, Zapier, Make.
Microsoft REST API Guidelines
A boilerplate for building production-ready RESTful APIs using Node.js, Express, and Mongoose
A model set of guidelines for RESTful APIs and Events, created by Zalando
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
Parse Server for Node.js / Express
swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.
Java wrapper for the popular chat & VOIP service: Discord https://discord.com
:rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.
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
HTTP(S) benchmark tools, testing/debugging, & restAPI (RESTful)
Lightweight service virtualization/ API simulation / API mocking tool for developers and testers
Swagger Editor
A modern, feature-rich, databaseless flat-file wiki platform built with Go.
Java DSL for easy testing of REST services
Dext - Modern Full Stack Framework for Delphi
(Official) The DSpace digital asset management system that powers your Institutional Repository
Library for OpenAPI 3 with spring-boot
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
A curated list of awesome system integration software and resources.
A lightweight, attribute-driven ORM for Delphi
The future of Node.js REST development
Sample ASP.NET Core 8.0 reference application, now community supported: https://github.com/NimblePros/eShopOnWeb
A small Arduino library for GSM modules, that just works
CakePHP: The Rapid Development Framework for PHP - Official Repository
A RESTful web API for Gramps - backend of Gramps Web
Confluent Schema Registry for Kafka
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
Todo application with ASP.NET Core Blazor WASM, Minimal APIs and Authentication
Sample .NET Core REST API CQRS implementation with raw SQL and DDD using Clean Architecture.
An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie
Node.js Basics ( v24.x )
:triangular_ruler: Ts.ED is a Node.js and TypeScript framework on top of Express to write your application with TypeScript (or ES6). It provides a lot of decorators and guideline to make your code more readable and less error-prone. ⭐️ Star to support our work!
Automated Integration Testing and Live Documentation for your API
A full-stack .NET microservices build on Dapr and Tye
🚀 Production-ready AI-friendly Go REST API boilerplate with Clean Architecture, JWT auth, RBAC, PostgreSQL migrations, and highly tested. AI-optimized with built-in guidelines for most used IDEs. Docker hot-reload, Swagger docs, one-command setup. Build production APIs in minutes, not weeks.
Web Serving and Remote Procedure Calls at 50x lower latency and 70x higher bandwidth than FastAPI, implementing JSON-RPC & REST over io_uring ☎️
OpenDJ is an open-source LDAP directory server written in Java. It provides robust, scalable, and secure directory services for identity management, access control, and authentication in enterprise environments. OpenDJ supports LDAPv3 standard, replication, REST APIs, and high-performance
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...
C++ library for creating an embedded Rest HTTP server (and more)
Next-generation HTTP router for Go 1.27+ with type-safe handlers, RFC 9457 errors, and built-in OpenAPI generation. Minimal dependencies, blazing performance.
Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp (Official Repository)
Chanify is a safe and simple notification tools. This repository is command line tools for Chanify.
HTTP requests collector to test webhooks, notifications, REST clients and more ...
compact, modular JavaScript wrappers for the ArcGIS REST API
A lightweight, self-hostable changelog and roadmap web application that lets you share product updates with your community and gather feedback through voting on upcoming features. Built with SvelteKit and Go.
Yet another pastebin
A strongly typed, runtime-agnostic web framework for building structured HTTP services in JavaScript, built on Web Standards.
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
The gpodder.net webservice
Automatically generate a RESTful API service for your legacy database. No code required!
Elassandra = Elasticsearch + Apache Cassandra
Zero-boilerplate REST API framework for PHP 8+. Auto-generates routes, docs, validation.
EliasDB a graph-based database.
Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.
WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.
Effortless Microservice Design and Integration. This repository includes the code-base for the Warewolf Studio and Server.
WebApi toolset that allows you to make CRUD REST APIs with one line of code and to create gRPC and SignalR from reusable components too
Self-hostable Bitcoin fee intelligence API with optional MCP and x402 integrations. Former public hosting is paused.
REST job server for Apache Spark
Translate APIs described by OpenAPI Specifications (OAS) into GraphQL
Grid component with CRUD for Blazor (client-side and server-side) and ASP.NET Core MVC
A framework for building JSON:API compliant REST APIs using ASP.NET and Entity Framework Core.