function: middleware
2345 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| netguru/ResponseDetective ResponseDetective is a Swift framework that intercepts outgoing HTTP requests and incoming responses between an iOS, macOS, or tvOS app and… | 23 | 1946 | maintenance |
| jiangwenyuan/nuster Nuster is a high-performance HTTP proxy cache server and RESTful NoSQL key-value cache server built on top of HAProxy, written in C. It is … | 23 | 1905 | maintenance |
| maxchehab/phelia Phelia is a reactive framework for building interactive Slack applications using React components and a custom React reconciler. It transfo… | 32 | 1903 | maintenance |
| ninjaframework/ninja Ninja is a full stack web framework for Java built on mature technologies like Servlets, Guice, JPA, Flyway, and Maven. It provides routing… | 66 | 1901 | maintenance |
| mickhansen/graphql-sequelize A JavaScript library providing GraphQL resolver helpers and Relay connection support for Sequelize ORM models on MySQL and Postgres. It aut… | 23 | 1884 | maintenance |
| kanwangzjm/funiture A Java Spring-based web application demonstrating a wide range of backend components: permission management, system monitoring, dynamic Qua… | 32 | 1867 | maintenance |
| ChicagoBoss/ChicagoBoss Chicago Boss is a Rails-inspired MVC web framework written in Erlang, featuring Django-style templates, an ORM, sessions, routing, email, J… | 23 | 1849 | maintenance |
| peng-zhihui/Peak Peak is a tiny smart terminal device kit: a portable ESP32-based firmware and hardware project integrating the LVGL graphics framework, an … | 32 | 1835 | maintenance |
| claudiajs/claudia-bot-builder Claudia Bot Builder is a Node.js framework for creating chat bots that run on AWS Lambda across many messaging platforms. It normalizes inc… | 23 | 1830 | maintenance |
| kilim/kilim Kilim is a Java library providing lightweight threads (fibers/continuations) via bytecode weaving, enabling millions of concurrent tasks wi… | 32 | 1782 | maintenance |
| yangchong211/YCWebView YCWebView is an Android WebView wrapper library built on Tencent's X5 WebView kernel that bundles common WebView features: decoupled JS bri… | 32 | 1762 | maintenance |
| cloudflare/vinext vinext is a Vite plugin from Cloudflare that reimplements the Next.js API surface (App Router, Pages Router, RSC, server actions, ISR, midd… | 77 | 8674 | experimental |
| MyCATApache/Mycat2 Mycat2 is a distributed database middleware written in Java that acts as a MySQL-protocol-compatible proxy, providing transparent data shar… | 23 | 1733 | maintenance |
| jammy928/CoinExchange_CryptoExchange_Java A Java-based open source cryptocurrency exchange platform built on Spring Cloud microservices, including a matching trading engine, admin b… | 32 | 1727 | maintenance |
| pinguo/php-msf php-msf is a coroutine-based PHP microservice framework built on Swoole, developed by the Camera360 server team. It provides a lightweight … | 23 | 1726 | maintenance |
| orbit/orbit Orbit is a virtual actor framework for the JVM (Java/Kotlin) for building distributed systems, originally developed by Electronic Arts. It … | 23 | 1725 | maintenance |
| jianyan74/rageframe2 RageFrame 2.0 is a rapid application development engine built on the Yii2 advanced framework, designed for secondary development with a mic… | 23 | 1706 | maintenance |
| sting8k/BurpSuite_403Bypasser A Burp Suite extension written in Python that automatically attempts to bypass 403 Forbidden responses on restricted directories. It hooks … | 32 | 1705 | maintenance |
| Peng-YM/QuanX A collection of JavaScript scripts and a cross-platform OpenAPI for proxy apps like Quantumult X, Loon, Surge, ShadowRocket, and JSBox. It … | 32 | 1704 | maintenance |
| sourcegraph/appdash Appdash is an application tracing system for Go, based on Google's Dapper and Twitter's Zipkin. It lets you instrument applications to reco… | 10 | 1704 | maintenance |
| vanus-labs/vanus Vanus is an open-source, cloud-native, serverless message queue with built-in event processing capabilities, written in Go. It connects Saa… | 23 | 1698 | maintenance |
| zwczou/weixin-python A Python SDK for WeChat (Weixin) that bundles WeChat login, official account management, payments, and message handling. It integrates with… | 32 | 1675 | maintenance |
| project-mirai/mirai-api-http A Mirai Console plugin that exposes the Mirai QQ bot framework over HTTP, WebSocket, reverse-WebSocket, and webhook adapters so any program… | 23 | 1665 | maintenance |
| splitbee/notion-api-worker A serverless API wrapper around Notion's private API that exposes Notion pages and tables as JSON via simple GET requests, deployable on Ve… | 53 | 1664 | maintenance |
| rapidoid/rapidoid Rapidoid is an extremely fast HTTP server and full-stack Java web framework with modules for REST APIs, web GUI, ORM, security, and configu… | 23 | 1632 | maintenance |
| andeya/faygo Faygo is a fast and concise Go web framework for building high-performance web applications, especially APIs, with minimal code. Defining a… | 23 | 1591 | maintenance |
| iBase4J/iBase4J iBase4J is a Java distributed system architecture scaffold built on Spring Boot, Spring MVC, MyBatis-Plus, Dubbo/Motan, Redis, Shiro, and Q… | 32 | 1590 | maintenance |
| hoangvvo/nextjs-mongodb-app A full-stack Next.js and MongoDB web application template featuring session-based authentication, user profiles, and social features like p… | 23 | 1561 | maintenance |
| a2888409/face2face face2face is an asynchronous, non-blocking real-time instant messaging (IM) server built on Netty and Java NIO. It splits the system into t… | 32 | 1537 | maintenance |
| gigya/microdot Microdot is an open source .NET microservices framework (a 'microservice chassis') that provides a service container, interface-based inter… | 10 | 1536 | maintenance |
| oauth-io/oauthd oauthd is the open source core of OAuth.io, a Node.js server that lets you self-host an OAuth integration layer supporting 100+ providers l… | 23 | 1521 | maintenance |
| kakserpom/phpdaemon phpDaemon is an asynchronous server-side framework for building high-load network applications in PHP, built on libevent. It bundles server… | 23 | 1515 | maintenance |
| webmachine/webmachine Webmachine is an Erlang application layer that adds HTTP semantic awareness on top of mochiweb, providing a clean way to build RESTful web … | 75 | 1512 | maintenance |
| ideawu/icomet iComet is a high-concurrency comet/server-push messaging server written in C++ with libevent, designed to handle a million concurrent conne… | 32 | 1510 | maintenance |
| mitreid-connect/OpenID-Connect-Java-Spring-Server A certified OpenID Connect reference implementation in Java on the Spring platform, providing an identity provider server, OAuth 2.0 author… | 32 | 1508 | maintenance |
| lileio/lile Lile is a Go framework and CLI generator for scaffolding gRPC microservices, similar to `rails new` or `create-react-app` but for gRPC serv… | 23 | 1497 | maintenance |
| flask-api/flask-api Flask API is a drop-in replacement for Flask that adds browsable web APIs with content negotiation and smart request parsing, similar to Dj… | 32 | 1474 | maintenance |
| agi-inc/agent-protocol Agent Protocol is an OpenAPI-defined REST API specification providing a common interface (runs, tasks, steps, artifacts) for interacting wi… | 26 | 1455 | maintenance |
| dathlin/ClientServerProject A C# client-server (C-S) framework template for small-to-medium systems, consisting of a server program, client programs (WinForm, WPF, ASP… | 23 | 1450 | maintenance |
| soveran/cuba Cuba is a Ruby microframework for web development built on top of Rack, inspired by the Rum request mapper. It offers minimal routing with … | 23 | 1447 | maintenance |
| paypal/squbs squbs is a suite of components from PayPal that standardizes and operationalizes Akka/Pekko Streams and Akka/Pekko HTTP applications for la… | 23 | 1430 | maintenance |
| Windows-XAML/Template10 Template10 is a C# library of templates and helpers for building Windows 10 UWP XAML applications, providing application startup, navigatio… | 23 | 1397 | maintenance |
| xiongwilee/Gracejs Gracejs (formerly koa-grace v2) is a Node.js BFF framework built on Koa 2 that implements an MVC + RESTful architecture for front-end/back-… | 38 | 1388 | maintenance |
| SwooleDistributed/SwooleDistributed SwooleDistributed (SD) is a full-stack distributed application server framework built on the PHP Swoole extension. It combines mixed-protoc… | 23 | 1371 | maintenance |
| mongrel2/mongrel2 Mongrel2 is a language- and architecture-agnostic web server written in C that decouples HTTP handling from application backends via a Zero… | 23 | 1358 | maintenance |
| elixir-maru/maru Maru is a REST-like API micro-framework for Elixir, inspired by Ruby's Grape, providing a DSL for routing, parameter validation and coercio… | 32 | 1316 | maintenance |
| microsoft/agent-governance-toolkit A Microsoft open-source toolkit providing policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for au… | 78 | 6128 | experimental |
| nuxt-community/pwa-module A zero-configuration Nuxt.js module that turns Nuxt applications into Progressive Web Apps. It auto-generates a web app manifest, registers… | 67 | 1262 | maintenance |
| gnikyt/laravel-shopify A full-featured Laravel package for building Shopify apps, providing OAuth authentication, REST/GraphQL API integration, billing, webhook h… | 10 | 1251 | maintenance |
| themosis/themosis Themosis is a PHP framework that wraps WordPress in a Laravel-inspired object-oriented structure, providing routing, controllers, views (Bl… | 23 | 1250 | maintenance |
| rs/rest-layer REST Layer is a Go API framework for building comprehensive, customizable REST (graph) APIs on top of pluggable storage backends with minim… | 23 | 1241 | maintenance |
| grafbase/grafbase Grafbase is a high-performance GraphQL Federation Gateway (Rust router) plus CLI, acquired by The Guild in 2026. The cloud platform has bee… | 85 | 1230 | maintenance |
| jzyong/game-server A distributed Java game server framework for chess/card and MMORPG games, providing cluster registry, gateway, hall, game logic, and monito… | 49 | 1227 | maintenance |
| marcoschwartz/aREST aREST is a C++ library that exposes a REST API on Arduino boards and ESP8266/ESP32 WiFi chips, allowing remote control and monitoring of ha… | 68 | 1201 | maintenance |
| dsuryd/dotNetify DotNetify is an open-source framework for building real-time, reactive web apps with a C# .NET back-end and React, Vue, Knockout, Blazor, o… | 37 | 1200 | maintenance |
| excid3/gorails-app-template GoRails App Template is a free, open-source Rails application template that jumpstarts new Ruby on Rails apps with sensible defaults like D… | 10 | 1200 | maintenance |
| imiphp/imi imi is a PHP framework supporting long-connection microservices and distributed development, runnable under PHP-FPM, Swoole, Workerman, and… | 85 | 1186 | maintenance |
| JKHeadley/rest-hapi rest-hapi is a hapi plugin that automatically generates RESTful CRUD and association API endpoints from mongoose schemas, with joi validati… | 23 | 1181 | maintenance |
| linkedin/parseq ParSeq is a Java framework that simplifies writing asynchronous code through composable tasks. It supports parallel execution of async oper… | 48 | 1172 | maintenance |
| banq/jdonframework JdonFramework is a Java framework for Domain-Driven Design that supports pub-sub asynchronous domain events without external message middle… | 23 | 1167 | maintenance |
| staart/api Staart API is a Node.js/TypeScript SaaS backend starter built on NestJS, providing user management, authentication, billing via Stripe, org… | 10 | 1160 | maintenance |
| anandkunal/ToroPHP ToroPHP is a small PHP routing library for building RESTful web applications and APIs. It maps URL patterns to handler classes whose method… | 32 | 1155 | maintenance |
| rs/pushd Pushd is a self-hosted unified push notification server that lets backend applications send notifications to mobile and web clients across … | 32 | 1155 | maintenance |
| beyondcode/laravel-mailbox A Laravel package that lets applications catch and react to incoming emails from services like Mailgun, SendGrid, and Postmark, or a local … | 71 | 1132 | maintenance |
| sofastack/sofa-tracer SOFATracer is a Java distributed tracing component based on the OpenTracing specification, part of the SOFAStack ecosystem. It records netw… | 62 | 1127 | maintenance |
| metosin/compojure-api A Clojure library that extends Compojure with tools for building REST web APIs, including Schema/clojure.spec data coercion and automatic S… | 23 | 1124 | maintenance |
| limingfan2016/game_service_system A C++ game server framework built from scratch, comprising a base library (logging, threading, memory pools, lock-free queues), a networkin… | 32 | 1112 | maintenance |
| dynamo/dynamo Dynamo is an experimental web framework for Elixir that runs on the Erlang VM, emphasizing performance, concurrency, and simplicity. It is … | 32 | 1107 | maintenance |
| flickr/yakbak yakbak is a Node.js library that records and replays HTTP responses, inspired by Ruby's VCR. It proxies requests to a target host, saving r… | 23 | 1099 | maintenance |
| ionorg/ion-sfu Ion SFU is a pure Go implementation of a WebRTC Selective Forwarding Unit (SFU) that routes audio, video, and datachannel streams to scale … | 23 | 1097 | maintenance |
| zdzhaoyong/GSLAM GSLAM is a general Simultaneous Localization and Mapping (SLAM) framework and benchmark written in C++. It provides a unified plugin-based … | 23 | 1058 | maintenance |
| RedisLabs/redis-cluster-proxy A multithreaded proxy for Redis Cluster that abstracts the cluster away so clients can talk to it as if it were a single Redis instance. It… | 32 | 1057 | maintenance |
| ijry/lyadmin lyadmin is a lightweight general-purpose admin backend built on ThinkPHP and Bootstrap3, featuring system settings, upload management, perm… | 71 | 1056 | maintenance |
| mwitkow/grpc-proxy A Go library providing a transparent gRPC reverse proxy handler that routes gRPC calls to backends without knowledge of their service seman… | 65 | 1048 | maintenance |
| toblum/McLighting McLighting is an ESP8266-based firmware for controlling WS2811/WS2812 LED strips over the internet. It provides a web interface, REST API, … | 10 | 1048 | maintenance |
| sidoh/esp8266_milight_hub A firmware replacement for the Milight/LimitlessLED WiFi gateway that runs on an ESP8266 or ESP32 with an NRF24L01+ or LT8900 radio. It exp… | 26 | 1045 | maintenance |
| idevz/vanilla Vanilla is an MVC web framework written in Lua that runs on OpenResty (Nginx + LuaJIT). It provides bootstrap tooling, routing, controllers… | 23 | 1038 | maintenance |
| laodaobazi/ldbz-shop A distributed e-commerce mall system built with Spring Boot, Dubbo RPC, MySQL, Redis, and SolrCloud, with separate web apps for admin, cart… | 32 | 1034 | maintenance |
| panoratech/Panora Panora is an open-source unified API / integration engine that lets applications connect to multiple CRM and third-party SaaS platforms thr… | 10 | 1034 | maintenance |
| owenliang/go-push A Go-based scalable message push server prototype designed for tens of millions of concurrent connections, split into a stateless logic ser… | 32 | 1029 | maintenance |
| zhangxd1989/springboot-dubbox A Java distributed backend system built on Spring Boot and DubboX, providing REST APIs and an admin management system with role-based acces… | 32 | 1017 | maintenance |
| Leslin/thinkphp5-restfulapi A lightweight RESTful API starter built on ThinkPHP 5.1, providing token-based authentication (OAuth2-style access/refresh tokens), API ver… | 23 | 1014 | maintenance |
| wqaetly/NKGMobaBasedOnET A MOBA game project inspired by League of Legends, built on the ET framework in Unity and C#. It provides a complete state frame synchroniz… | 32 | 1004 | maintenance |
| 417511458/jbone jbone is a Java project suite built on Spring Cloud that provides a microservices foundation skeleton for small and medium enterprises. It … | 23 | 1004 | maintenance |
| motiful/cc-gateway CC Gateway is a self-hosted reverse proxy that sits between Claude Code clients and the Anthropic API, normalizing device fingerprints, tel… | 48 | 3017 | experimental |
| honojs/honox HonoX is a meta-framework built on Hono and Vite for creating full-stack websites and Web APIs with file-based routing and fast SSR. It sup… | 92 | 2909 | experimental |
| multigres/multigres Multigres is an adaptation of Vitess for PostgreSQL, providing a two-level proxy layer (Multigateway and Multipooler) for connection poolin… | 70 | 2559 | experimental |
| NVIDIA-NeMo/Switchyard Switchyard is a Rust proxy and library that routes LLM traffic across models and providers while translating between OpenAI Chat, Anthropic… | 80 | 2490 | experimental |
| LukeMathWalker/pavex Pavex is a Rust framework for building APIs and web applications, aiming to combine the productivity of frameworks like Rails or ASP.NET Co… | 76 | 2069 | experimental |
| ghuntley/loom Loom is an AI-powered coding agent written in Rust that provides a REPL interface for interacting with LLM-driven agents capable of file sy… | 50 | 1364 | experimental |
| anthdm/superkit SUPERKIT is a full-stack web framework for Go that bundles project scaffolding, Templ-based views, Tailwind CSS, database migrations, valid… | 14 | 1101 | experimental |
| nkzw-tech/fate fate is a modern, type-safe data client for React (with a Vue client also available) inspired by Relay and GraphQL. It combines co-located … | 80 | 1070 | experimental |
| levkk/rwf Rwf is a comprehensive MVC web framework for building web applications in Rust, bundling an HTTP server, ORM, dynamic templates, authentica… | 60 | 1062 | experimental |
| DragoQCC/CrucibleC2 HardHat C2 (CrucibleC2) is a cross-platform, multi-user Command & Control framework written in C#/.NET for red team engagements and penetra… | 22 | 1024 | experimental |
| justrach/turboAPI TurboAPI is a FastAPI-compatible Python web framework whose HTTP layer is implemented in Zig, offering drop-in migration by changing a sing… | 87 | 1002 | experimental |
| angular/angular.js AngularJS is a JavaScript MVW framework that extends HTML with directives and provides two-way data binding, dependency injection, and clie… | 10 | 58532 | abandoned |
| ipkn/crow Crow is a fast, header-only C++ micro web framework inspired by Python Flask, offering Flask-like routing, built-in JSON handling, Mustache… | 23 | 7627 | abandoned |
| NancyFx/Nancy Nancy is a lightweight, low-ceremony web framework for building HTTP-based services on .NET Framework/Core and Mono. It provides a simple D… | 10 | 7094 | abandoned |
| Zend Framework Zend Framework is a collection of 60+ loosely coupled, object-oriented PHP packages for building web applications and services, installable… | 10 | 5432 | abandoned |
| deployd/deployd Deployd is a Node.js toolkit for building realtime REST APIs for web and mobile apps using configurable Resources like Collections, managed… | 23 | 4941 | abandoned |