API Frameworks & Gateways

Zammad is a web based open source helpdesk/customer support system.

🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications

🔥 PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, and more through a simple, easy-to-use interface on your desktop.

:rocket:  A strongly-typed, caching GraphQL client for the JVM, Android, and Kotlin multiplatform.

Easy OpenAPI specs and Swagger UI for your Flask API

🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...

The server component of API Platform: hypermedia and GraphQL APIs in minutes

Medplum is a healthcare platform that helps you quickly develop high-quality compliant applications.

Tigo is an HTTP web framework written in Go (Golang).It features a Tornado-like API with better performance. Tigo是一款用Go语言开发的web应用框架，API特性类似于Tornado并且拥有比Tornado更好的性能。

The core of our monitoring platform with a powerful configuration language and REST API.

A small Arduino library for GSM modules, that just works

magic-api 是一个接口快速开发框架，通过Web页面编写脚本以及配置，自动映射为HTTP接口，无需定义Controller、Service、Dao、Mapper、XML、VO等Java对象

PhalApi开源接口框架，简称π框架，一个轻量级PHP开源接口框架，专注于接口服务开发。接口，从简单开始！

Data API builder provides modern REST, GraphQL endpoints and MCP tools to your Azure Databases and on-prem stores.

Elide is a Java library that lets you stand up a GraphQL/JSON-API web service with minimal effort.

A high performance web framework and application server in PHP.

TypeScript Language Service Plugin for GraphQL developers

The Artsy.net website

Grafeo is a pure-Rust, high-performance graph database that can be embedded as a library or run as a standalone database, with optional in-memory or persistent storage. Grafeo supports both LPG and RDF and all major query languages.

🔥 Next.js (React) headless eCommerce site with Typescript, WordPress (WooCommerce) backend and Algolia search

A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations.