domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| symfony/swiftmailer-bundle A Symfony bundle integrating the Swiftmailer library for sending emails in Symfony applications. It is no longer maintained because Swiftma… | 10 | 1536 | abandoned |
| kohana/kohana Kohana is an elegant, object-oriented HMVC web framework for PHP 5, built as a community fork of CodeIgniter. This repository is the basic … | 10 | 1534 | abandoned |
| billzhong/inbox.py Inbox.py is a minimal asynchronous SMTP server library for Python that lets applications receive email with a simple decorator-based handle… | 32 | 1500 | abandoned |
| Zewo/Venice Venice is a Swift library providing coroutines, structured concurrency, and CSP-style channels, built on a fork of the C library libdill. I… | 23 | 1495 | abandoned |
| zendframework/ZendSkeletonApplication A skeleton application providing a preconfigured starting point for Zend Framework MVC projects, installable via Composer. It includes modu… | 10 | 1487 | abandoned |
| geffzhang/NanoFabric NanoFabric is a .NET Core microservices development framework that integrates Consul, Ocelot, Polly, IdentityServer, Exceptionless, Orleans… | 10 | 1452 | abandoned |
| jmesnil/stomp-websocket A JavaScript STOMP client library that lets web browsers (over WebSockets) and node.js applications (over raw TCP or WebSockets) communicat… | 23 | 1446 | abandoned |
| yongman/tidis Tidis is a distributed transactional NoSQL database written in Go that exposes a Redis protocol-compatible API (string, list, hash, set, so… | 32 | 1441 | abandoned |
| paypal/react-engine react-engine is a composite render engine for universal (isomorphic) Express apps that renders both plain React views and react-router view… | 10 | 1435 | abandoned |
| youzan/zanphp ZanPHP is a coroutine-based PHP network service framework for building high-concurrency (C10K+) SOA and RPC services, using yield-based cor… | 23 | 1425 | abandoned |
| bumptech/stud Stud is a scalable TLS/SSL termination proxy that unwraps encrypted connections and forwards plaintext traffic to a backend like HAProxy or… | 10 | 1422 | abandoned |
| ucbrise/clipper Clipper is a low-latency prediction serving system that sits between user-facing applications and machine learning models, exposing a stand… | 23 | 1420 | abandoned |
| visionmedia/express-resource Express Resource is a Node.js library that adds resourceful, REST-style routing to the Express web framework via an app.resource() method. … | 32 | 1409 | abandoned |
| uber-archive/cherami-server Cherami is a distributed, scalable, durable, and highly available message queue system developed at Uber for transporting asynchronous task… | 10 | 1406 | abandoned |
| specta-rs/rspc rspc is a Rust framework for building typesafe web backends, inspired by tRPC, that lets you define routers with queries, mutations, and su… | 54 | 1388 | abandoned |
| php-http/message-factory php-http/message-factory provides factory interfaces for creating PSR-7 HTTP message objects as part of the HTTPlug ecosystem. It is now ob… | 10 | 1385 | abandoned |
| chrismccord/render_sync A Ruby gem for Rails that renders partials which update in real time in the browser when the underlying models change on the server. It wor… | 32 | 1384 | abandoned |
| colmena/colmena Colmena is a free and open source full-stack starter kit for rapid API development, combining a LoopBack-based REST API with an Angular adm… | 10 | 1382 | abandoned |
| OpnTec/bodyapps-web Web service and web application components of the #bodyapps project, a system for capturing and managing body measurement data. It is built… | 32 | 1373 | abandoned |
| lonnieezell/Bonfire Bonfire is a modular, HMVC-ready application skeleton for CodeIgniter 3.x that provides an admin backend, theming, role-based access contro… | 10 | 1367 | abandoned |
| stepancheg/grpc-rust A pure-Rust implementation of the gRPC protocol built on HTTP/2 and Protocol Buffers, with code generation via protoc plugins. The project … | 10 | 1367 | abandoned |
| thoughtbot/griddler Griddler is a Rails engine that provides an HTTP endpoint for email delivery services (SendGrid, Cloudmailin, Postmark, Mandrill, Mailgun) … | 10 | 1359 | abandoned |
| salman0ansari/whatsapp-api-nodejs A self-hosted RESTful WhatsApp API service built on the Baileys library with Express, supporting multiple devices. It lets developers send … | 10 | 1346 | abandoned |
| ScutGame/Scut Scut is a free, open-source game server framework written in C# for building online games, with server-side scripting support for C#, Pytho… | 23 | 1340 | abandoned |
| fastio/1store Pedis (1store) is a NoSQL data store built on the SEASTAR framework and ScyllaDB that is compatible with the Redis protocol. It stores Redi… | 32 | 1329 | abandoned |
| zzzprojects/EntityFramework.Extended EntityFramework.Extended is a C# add-on library for Entity Framework 6 providing batch delete/update, query caching, future queries, and au… | 63 | 1328 | abandoned |
| honraytech/VueThink VueThink is a front-end/back-end separated framework combining the Vue 2.x ecosystem (Vue, Vue-Router, Vuex, Element-UI) with ThinkPHP 5 on… | 32 | 1327 | abandoned |
| flatiron Director is a tiny, dependency-free URL router for JavaScript that works isomorphically in both the browser (hash-based client-side routing… | 32 | 1321 | abandoned |
| reactjs/react-php-v8js A PHP library that renders React components on the server using the V8Js PHP extension to execute JavaScript. It lets developers pre-render… | 10 | 1321 | abandoned |
| twitter/fatcache Fatcache is a networked, memcached-protocol-compatible cache that uses SSD storage as an extension of DRAM, allowing terabyte-scale caching… | 10 | 1299 | abandoned |
| aspnet/Security The former home of security and authorization middleware for ASP.NET Core, including authentication handlers for cookies, OAuth, and social… | 10 | 1293 | abandoned |
| go-zoo/bone Bone is a lightweight, high-performance HTTP multiplexer (router) for Go that implements the standard net/http Handler interface. It suppor… | 23 | 1282 | abandoned |
| danielwaterworth/Raphters Raphters is a web framework for C based on the rapht architectural pattern, providing components like cookie handling, session management, … | 32 | 1275 | abandoned |
| dcramer/django-devserver django-devserver is a drop-in replacement for Django's built-in runserver management command, adding an extendable module system for real-t… | 32 | 1265 | abandoned |
| mentum/lambdaws A Node.js library that cloudifies any JavaScript function by automatically packaging, deploying, and invoking it on AWS Lambda, returning r… | 32 | 1262 | abandoned |
| Cylix/cpp_redis cpp_redis is a lightweight C++11 Redis client library supporting synchronous and asynchronous operations, pipelining, pub/sub, sentinels, a… | 10 | 1258 | abandoned |
| catamphetamine/webpack-isomorphic-tools A deprecated helper library providing basic isomorphic (universal) server-side rendering support for Webpack-built applications such as Rea… | 32 | 1246 | abandoned |
| mauricemach/coffeekup CoffeeKup is a templating engine for Node.js and browsers that lets you write HTML templates in pure CoffeeScript, inspired by Markaby's 'm… | 32 | 1246 | abandoned |
| container-interop/container-interop A PHP library defining common interfaces for dependency injection containers and service locators to achieve interoperability. It served as… | 23 | 1245 | abandoned |
| zhyocean/MyBlog A personal blog website built with SpringBoot, MyBatis, Redis, and Thymeleaf, featuring a public portal, admin dashboard, and user center. … | 32 | 1231 | abandoned |
| szokodiakos/typegoose Typegoose is a TypeScript library that lets developers define Mongoose models using TypeScript classes with decorators, eliminating the nee… | 10 | 1209 | abandoned |
| smpallen99/ex_admin ExAdmin is an auto-administration library for Elixir and the Phoenix Framework, inspired by ActiveAdmin for Ruby on Rails. It generates a f… | 23 | 1197 | abandoned |
| nathanl/authority Authority is a Ruby gem that helps you authorize actions in Rails apps by grouping models under Authorizer classes with plain Ruby methods.… | 10 | 1197 | abandoned |
| uber-node/ringpop-node Ringpop-node is a Node.js library that provides application-layer sharding via a consistent hash ring built on top of a SWIM-style membersh… | 10 | 1187 | abandoned |
| strongloop/microgateway IBM API Connect Microgateway is an extensible Node.js-based API gateway framework for securing and controlling access to microservices and … | 32 | 1186 | abandoned |
| Zizaco/confide Confide is an authentication package for Laravel 4 that reduces repetitive work in user account management. It provides account creation, l… | 23 | 1179 | abandoned |
| astahmer/openapi-zod-client A CLI and library that generates a zodios-based TypeScript HTTP client with zod runtime validation from an OpenAPI/Swagger spec (JSON or YA… | 66 | 1178 | abandoned |
| bigpipe/bigpipe BigPipe is a Node.js web framework that decomposes pages into reusable chunks called Pagelets and pipelines them through execution stages i… | 23 | 1174 | abandoned |
| DylanPiercey/auto-sni A NodeJS library that automatically obtains and renews free SSL/TLS certificates from Let's Encrypt using SNI, with near-zero configuration… | 32 | 1172 | abandoned |
| nhost/hasura-backend-plus Hasura Backend Plus is a self-hosted service providing authentication (JWT, OAuth providers, MFA) and S3-compatible file storage APIs desig… | 23 | 1170 | abandoned |
| stavro/arc Arc is a flexible file upload and attachment library for Elixir, providing integrations with Amazon S3 and image transformations via ImageM… | 32 | 1165 | abandoned |
| d5/node.native node.native is a C++11 port of the node.js programming model, providing an event-driven, asynchronous HTTP server and runtime built on libu… | 32 | 1162 | abandoned |
| cemerick/friend Friend is an extensible authentication and authorization library for Clojure Ring web applications and services. It provides authentication… | 10 | 1152 | abandoned |
| acheong08/ChatGPT-to-API A Go server that exposes an OpenAI-compatible chat completions API backed by ChatGPT's web interface, cycling through accounts and access t… | 10 | 1140 | abandoned |
| intuit/wasabi Wasabi is an open-source, API-driven A/B testing and experimentation platform built in Java by Intuit, allowing teams to run experiments ac… | 32 | 1139 | abandoned |
| icicleio/icicle Icicle is a PHP library for writing asynchronous code using synchronous coding techniques, built on coroutines, awaitables, generators, and… | 10 | 1127 | abandoned |
| node-inspector/v8-profiler Node.js native bindings (C++) to the V8 profiler, exposing CPU profiling and heap snapshot APIs programmatically. It integrates with node-i… | 23 | 1125 | abandoned |
| leocavalcante/siler Siler is a set of general-purpose high-level abstractions for PHP that provides declarative, function-based routing, HTTP handling, GraphQL… | 10 | 1109 | abandoned |
| kraken-php/framework Kraken is a PHP framework for building asynchronous, multi-processed, multi-threaded, and fault-tolerant distributed applications. It provi… | 23 | 1104 | abandoned |
| markdalgleish/redial Redial is a JavaScript library providing universal data fetching and route lifecycle management for React applications, using decorators to… | 32 | 1093 | abandoned |
| c4milo/node-webkit-agent A Node.js library implementing the Chrome Developer Tools protocol so you can remotely profile and debug Node applications using the WebKit… | 32 | 1093 | abandoned |
| 9miao/Firefly Firefly is a Python distributed game server framework built on Twisted that encapsulates networking, inter-process RPC, and database cachin… | 32 | 1090 | abandoned |
| megagao/production_ssm A production management ERP system built with the SSM stack (Spring, SpringMVC, MyBatis) and jQuery EasyUI, developed as part of a manufact… | 32 | 1088 | abandoned |
| voodooattack/nexusjs Nexus.js is a multi-threaded JavaScript runtime built on JavaScriptCore (WebKit) with an asynchronous, non-blocking I/O model and a thread-… | 10 | 1087 | abandoned |
| symfony/class-loader A deprecated Symfony PHP component providing class autoloading tools with location caching for performance. It has been superseded by Compo… | 10 | 1084 | abandoned |
| python/asyncio The historical development repository for asyncio, Python's standard library for writing concurrent code with async/await syntax. Developme… | 10 | 1081 | abandoned |
| mongodb/mongo-php-driver-legacy The legacy MongoDB PHP driver (ext-mongo), a PHP extension providing an interface for communicating with MongoDB databases. It is officiall… | 10 | 1074 | abandoned |
| brynary/rack-bug Rack::Bug is a debugging toolbar for Rack applications, implemented as Rack middleware. It injects a floating diagnostics panel into your a… | 32 | 1072 | abandoned |
| ruma/homeserver Ruma was a Matrix homeserver implementation written in Rust, aiming to provide a complete server for the Matrix decentralized communication… | 10 | 1072 | abandoned |
| RealmTeam/django-rest-framework-social-oauth2 A Django package that integrates python-social-auth and django-oauth-toolkit to provide OAuth2 social authentication for Django REST Framew… | 67 | 1066 | abandoned |
| angel-dart/angel Angel is a batteries-included backend web framework for Dart, offering routing, controllers, ORM, GraphQL, WebSockets, authentication, and … | 10 | 1054 | abandoned |
| cocaine/cocaine-core Cocaine is an open-source cloud platform for building your own PaaS, similar to Heroku or Google App Engine, with dynamic worker pools, ser… | 23 | 1039 | abandoned |
| seasonstar/bibi Bibi is a fullstack cross-border e-commerce solution built on Flask with MongoDB, Redis, Celery, and RabbitMQ, covering users, social featu… | 32 | 1035 | abandoned |
| duo-labs/webauthn A Go server library implementing the WebAuthn (FIDO2) specification for adding passwordless authentication to web applications. It handles … | 10 | 1030 | abandoned |
| fashiontec/openwash-server OpenWash is the backend API server for the OpenWash project, providing a REST API for a laundry/washing service application. It serves as t… | 32 | 1029 | abandoned |
| technoweenie/attachment_fu attachment_fu is a Ruby on Rails plugin that turns ActiveRecord models into file attachments, storing metadata (path, size, content type) i… | 32 | 1024 | abandoned |
| pvzig/SlackKit A Swift library for building Slack apps and bots, supporting the RTM API, Web API, OAuth, slash commands, and interactive message buttons. … | 10 | 1012 | abandoned |
| jfinkels/flask-restless A Flask extension that automatically generates RESTful JSON APIs from SQLAlchemy models. It is no longer maintained, with the last release … | 23 | 1004 | abandoned |
| EddyVerbruggen/nativescript-plugin-firebase A NativeScript plugin providing access to a wide range of Firebase services (auth, Firestore, Realtime Database, push messaging, storage, a… | 10 | 1004 | abandoned |
| microsoft/TypeScript TypeScript is a strongly typed superset of JavaScript that adds optional static types and compiles down to clean, standards-based JavaScrip… | 95 | 110875 | stable |
| vllm-project/vllm vLLM is a high-throughput, memory-efficient inference and serving engine for large language models, featuring PagedAttention, continuous ba… | 98 | 90907 | active |
| dani-garcia/vaultwarden Vaultwarden is an unofficial, lightweight Rust implementation of the Bitwarden server API that works with official Bitwarden clients. It is… | 99 | 66784 | stable |
| diegosouzapw/OmniRoute OmniRoute is a free, MIT-licensed AI gateway that exposes a single OpenAI-compatible endpoint routing to 350+ LLM providers (90+ with free … | 78 | 60868 | active |
| lysine-dev/retrofit Retrofit is a type-safe HTTP client for Android and the JVM that turns REST APIs into Java or Kotlin interfaces using annotations. It gener… | 79 | 43936 | stable |
| juspay/hyperswitch Hyperswitch is an open-source, composable payments orchestration platform written in Rust by Juspay, connecting to 300+ payment processors,… | 95 | 43573 | active |
| Agno Agno is a Python SDK and runtime (AgentOS) for building, running, and managing full agent platforms, including agents, teams, and workflows… | 96 | 42033 | active |
| yudao (ruoyi-vue-pro) Yudao (ruoyi-vue-pro) is an open-source rapid development platform and admin management system built on Spring Boot, MyBatis Plus, and Vue/… | 100 | 39120 | active |
| cockroachdb/cockroach CockroachDB is a cloud-native distributed SQL database built on a transactional, strongly-consistent key-value store, written in Go. It sca… | 77 | 32433 | stable |
| conductor-oss/conductor Conductor is an open-source durable execution and workflow orchestration engine for microservices, event-driven workflows, and AI agents, o… | 94 | 32172 | active |
| PrefectHQ/fastmcp FastMCP is a Python framework for building Model Context Protocol (MCP) servers, clients, and interactive applications. It turns ordinary P… | 85 | 27510 | active |
| OpenAPI Generator OpenAPI Generator is a Java-based tool that generates API client libraries, server stubs, documentation, and configuration from OpenAPI 2.0… | 95 | 26721 | stable |
| SST SST is a framework for building and deploying modern full-stack applications on your own cloud infrastructure, with the entire app defined … | 89 | 26282 | active |
| OpenFaaS OpenFaaS is a serverless functions platform that lets developers deploy event-driven functions and microservices packaged as OCI/Docker con… | 75 | 26234 | stable |
| Dapr Dapr is a portable, CNCF-graduated distributed application runtime that runs as a sidecar and exposes building-block APIs for service invoc… | 99 | 26061 | stable |
| chaitin/SafeLine SafeLine is a self-hosted web application firewall (WAF) that acts as an Nginx-based reverse proxy to protect web apps from attacks like SQ… | 98 | 22486 | active |
| jhipster/generator-jhipster JHipster is a Yeoman-based development platform that scaffolds complete full-stack web applications and microservice architectures, combini… | 95 | 22448 | stable |
| gleam-lang/gleam Gleam is a statically typed, functional programming language that compiles to Erlang and runs on the BEAM virtual machine. It ships with a … | 98 | 21870 | active |
| apache/shardingsphere Apache ShardingSphere is an enterprise distributed database ecosystem that turns heterogeneous databases (MySQL, PostgreSQL, etc.) into a d… | 79 | 20791 | stable |
| NATS NATS Server is a high-performance, lightweight open-source messaging system written in Go that provides pub/sub, request/reply, and durable… | 100 | 20652 | stable |
| facebook/hhvm HHVM is an open-source virtual machine with a just-in-time (JIT) compiler for executing programs written in the Hack programming language. … | 68 | 18659 | active |