domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| logto-io/logto Logto is an open-source identity and access management (IAM) infrastructure for SaaS and AI applications, built on OIDC, OAuth 2.1, and SAM… | 98 | 14468 | active |
| sogou/workflow Sogou C++ Workflow is an enterprise-level C++ framework for parallel computing and asynchronous networking, powering Sogou's back-end servi… | 93 | 14418 | stable |
| ABP Framework ABP Framework is an open-source, opinionated application framework for building enterprise web applications on .NET and ASP.NET Core. It pr… | 98 | 14417 | active |
| stalwartlabs/stalwart Stalwart is an open-source, all-in-one mail and collaboration server written in Rust, supporting JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV a… | 97 | 14362 | active |
| yiisoft/yii2 Yii 2 is a high-performance, full-stack PHP framework for building modern web applications and APIs. It ships with an ORM (Active Record), … | 85 | 14299 | stable |
| memcached/memcached Memcached is a high-performance, multithreaded, distributed in-memory key-value cache store used to speed up dynamic web applications by al… | 73 | 14259 | stable |
| App-vNext/Polly Polly is a .NET resilience and transient-fault-handling library that lets developers express resilience strategies such as Retry, Circuit B… | 91 | 14230 | stable |
| drogonframework/drogon Drogon is a C++14/17/20-based HTTP web application framework for building high-performance web application servers. It uses non-blocking I/… | 89 | 14217 | active |
| jackc/pgx pgx is a pure Go PostgreSQL driver and toolkit offering a low-level, high-performance interface with PostgreSQL-specific features like LIST… | 77 | 14187 | stable |
| robfig/cron A cron expression parser and job scheduler library for Go that runs functions on scheduled schedules. Version 3 supports standard cron spec… | 32 | 14183 | stable |
| geldata/gel Gel is an open-source graph-relational database built on top of Postgres, combining a strict object-type schema, the EdgeQL query language,… | 61 | 14171 | active |
| kysely-org/kysely Kysely is a type-safe, autocompletion-friendly SQL query builder for TypeScript, inspired by Knex. It supports PostgreSQL, MySQL, MSSQL, an… | 98 | 14168 | stable |
| diesel-rs/diesel Diesel is a safe, extensible ORM and query builder for Rust supporting PostgreSQL, MySQL, MariaDB, and SQLite. It leverages Rust's type sys… | 94 | 14162 | stable |
| cloudwu/skynet Skynet is a lightweight online game framework written in C with Lua scripting, built around the actor model with multiple Lua states. It is… | 67 | 14130 | stable |
| Netflix/zuul Zuul is Netflix's L7 application gateway service providing dynamic routing, monitoring, resiliency, and security for microservices. It is a… | 93 | 14063 | active |
| OpenResty OpenResty is a full-fledged web platform that bundles an enhanced Nginx core, LuaJIT, and many Nginx modules and Lua libraries into a singl… | 82 | 14012 | stable |
| apollographql/apollo-server Apollo Server is a spec-compliant, production-ready GraphQL server library for Node.js that supports schema-first development. It integrate… | 93 | 13947 | stable |
| pinpoint-apm/pinpoint Pinpoint is an open-source Application Performance Management (APM) tool for large-scale distributed systems, inspired by Google's Dapper p… | 86 | 13861 | active |
| ory/kratos Ory Kratos is a headless, API-first identity and user management server written in Go that centralizes login, registration, account recover… | 81 | 13849 | stable |
| freshframework/fresh Fresh is a full-stack web framework for Deno that renders server-generated HTML with Preact and ships JavaScript only for interactive 'isla… | 91 | 13786 | active |
| hibiken/asynq Asynq is a Go library for a distributed task queue backed by Redis, letting clients enqueue tasks that worker servers process concurrently.… | 73 | 13659 | stable |
| redis/redis-py redis-py is the official Python client library for the Redis key-value store, supporting both synchronous and asynchronous usage. It provid… | 98 | 13618 | stable |
| thephpleague/flysystem Flysystem is a PHP file storage library that provides a single unified interface for interacting with many types of filesystems, both local… | 67 | 13586 | stable |
| sidekiq/sidekiq Sidekiq is a simple, efficient background job processing framework for Ruby applications, using threads to handle many jobs concurrently in… | 76 | 13553 | stable |
| vlucas/phpdotenv PHP dotenv is a Composer library that loads environment variables from a `.env` file into `$_ENV`, `$_SERVER`, and optionally `getenv()`. I… | 88 | 13550 | stable |
| graphql/dataloader DataLoader is a JavaScript/Node.js utility that batches and caches data-loading requests to reduce round trips to backends like databases o… | 66 | 13384 | stable |
| alibaba/tengine Tengine is a high-performance web server and reverse proxy forked from nginx, developed by Taobao/Alibaba since 2011. It is 100% nginx-comp… | 86 | 13338 | active |
| gogf/gf GoFrame is a modular, high-performance full-stack development framework for Go, comparable to Laravel or Spring Boot, offering batteries-in… | 99 | 13249 | active |
| heroiclabs/nakama Nakama is a scalable open-source game backend server written in Go that provides multiplayer sessions, matchmaking, leaderboards, chat, and… | 97 | 13219 | stable |
| brianc/node-postgres node-postgres (pg) is the de facto PostgreSQL client library for Node.js, also supporting bun, deno, and cloudflare workers. It provides a … | 76 | 13198 | stable |
| alibaba/COLA COLA (Clean Object-oriented & Layered Architecture) is a Java framework from Alibaba that defines a clean, layered application architecture… | 34 | 13007 | stable |
| spatie/laravel-permission A Laravel package that lets you associate users (and other Eloquent models) with roles and permissions stored in the database. Permissions … | 96 | 12964 | stable |
| graphile/crystal Graphile's Crystal monorepo containing Grafast, a planning and execution engine for GraphQL.js, and PostGraphile, which auto-generates high… | 94 | 12929 | active |
| codecentric/spring-boot-admin Spring Boot Admin is a web-based admin UI for monitoring and managing Spring Boot applications via their Actuator endpoints. It provides da… | 97 | 12850 | active |
| cloudwego/eino Eino is a Go-based framework for building LLM and AI applications, inspired by LangChain and LlamaIndex but following Go conventions. It pr… | 84 | 12831 | active |
| fullstorydev/grpcurl grpcurl is a command-line tool for invoking RPC methods on gRPC servers, accepting JSON input and converting it to binary protobuf encoding… | 70 | 12788 | active |
| InsForge/InsForge InsForge is an open-source, all-in-one backend platform (BaaS) designed for AI coding agents, bundling Postgres, auth, storage, realtime, e… | 84 | 12784 | active |
| go-admin go-admin is a front-end/back-end separated admin management system scaffold built on Gin (Go) and Vue 3 with Element UI, Arco Design, and A… | 88 | 12751 | active |
| google/guice Guice is a lightweight dependency injection framework for Java 11+, developed by Google. It eliminates the need for manual factories and 'n… | 67 | 12732 | stable |
| SpartnerNL/Laravel-Excel Laravel Excel (maatwebsite/excel) is a Laravel package providing an elegant wrapper around PhpSpreadsheet for exporting and importing Excel… | 99 | 12705 | stable |
| Play Framework Play Framework is a high-velocity, reactive web framework for Java and Scala running on the JVM. It offers a stateless, non-blocking archit… | 94 | 12621 | active |
| Kludex/starlette Starlette is a lightweight, production-ready ASGI framework and toolkit for building async web services in Python. It provides HTTP and Web… | 98 | 12571 | stable |
| IBM/sarama Sarama is an MIT-licensed Go client library for Apache Kafka, providing pure-Go implementations of Kafka producers, consumers, and administ… | 99 | 12510 | stable |
| rs/zerolog Zerolog is a fast, zero-allocation JSON structured logging library for Go with a chained, context-aware API. It supports leveled logging, s… | 77 | 12494 | stable |
| sinatra/sinatra Sinatra is a Ruby DSL for quickly creating web applications with minimal effort, built on Rack. It provides routing, filters, sessions, and… | 74 | 12452 | stable |
| grpc/grpc-rust Tonic is a Rust implementation of gRPC over HTTP/2, providing async/await client and server support built on hyper and tokio, with prost-ba… | 94 | 12449 | stable |
| get-convex/convex-backend Convex is an open-source reactive database and backend platform that lets developers write database queries and server functions in pure Ty… | 88 | 12433 | active |
| mysql/mysql-server MySQL Server is Oracle's widely used open-source relational SQL database server, including MySQL Cluster for real-time transactional worklo… | 77 | 12407 | stable |
| redis/jedis Jedis is the official Java client for Redis, designed for performance and ease of use. It supports standalone Redis servers as well as Redi… | 94 | 12356 | stable |
| pagehelper-org/Mybatis-PageHelper PageHelper is a widely used pagination plugin for MyBatis that intercepts queries to perform physical (database-level) pagination. It suppo… | 66 | 12355 | stable |
| erlang/otp Erlang/OTP is the Erlang programming language together with its runtime system (BEAM) and the Open Telecom Platform, a set of libraries and… | 94 | 12333 | stable |
| encoredev/encore Encore is an open-source infrastructure SDK and backend framework for TypeScript and Go that lets developers declare resources like databas… | 95 | 12307 | active |
| Slim Framework Slim is a PHP micro-framework for quickly writing simple yet powerful web applications and APIs. It provides a fast HTTP router, concentric… | 90 | 12279 | active |
| magento/magento2 Magento Open Source is a full-featured PHP-based eCommerce platform maintained by Adobe for building online stores. It provides catalog man… | 94 | 12169 | active |
| sqlalchemy/sqlalchemy SQLAlchemy is the Python SQL toolkit and Object Relational Mapper, providing both a Core SQL expression language with connection pooling an… | 94 | 12111 | stable |
| expressjs/multer Multer is Node.js middleware for handling multipart/form-data, primarily used for file uploads, built on top of busboy. It integrates with … | 92 | 12084 | stable |
| inversify/InversifyJS InversifyJS is a lightweight, strongly-typed inversion of control (IoC) container for TypeScript and JavaScript applications. It uses decor… | 60 | 12076 | active |
| linnovate/mean A fullstack JavaScript starter framework combining MongoDB, Express, Angular, and Node.js (the MEAN stack) for building scalable web applic… | 53 | 12054 | active |
| coleifer/peewee Peewee is a small, expressive Python ORM with a flexible query builder that supports SQLite, MySQL/MariaDB, and PostgreSQL, plus asyncio ba… | 99 | 11986 | stable |
| microsoft/garnet Garnet is a high-performance remote cache-store from Microsoft Research written in C#/.NET, speaking the RESP wire protocol so unmodified R… | 91 | 11956 | active |
| libevent/libevent libevent is a C library providing a portable event notification API that executes callbacks on file descriptor events, timeouts, and signal… | 96 | 11942 | stable |
| MagicStack/uvloop uvloop is a fast, drop-in replacement for the built-in asyncio event loop, implemented in Cython on top of libuv. It makes asyncio-based Py… | 68 | 11886 | stable |
| LuckyPennySoftware/MediatR MediatR is a simple, dependency-free mediator implementation for .NET that supports in-process messaging with request/response, commands, q… | 84 | 11858 | stable |
| typestack/class-validator A TypeScript library providing decorator-based and non-decorator-based property validation for classes, built on validator.js. It supports … | 74 | 11833 | stable |
| go-resty/resty Resty is a simple HTTP, REST, and SSE client library for Go with a fluent API. It provides middleware, retries with backoff, circuit breaki… | 93 | 11767 | active |
| quic-go/quic-go quic-go is a production-ready, pure Go implementation of the QUIC transport protocol (RFC 9000/9001/9002) with support for HTTP/3, datagram… | 97 | 11750 | stable |
| newbee-mall newbee-mall is an open-source e-commerce system built with Spring Boot, offering a storefront (home page, product categories, search, cart,… | 54 | 11618 | active |
| walkor/workerman Workerman is an asynchronous, event-driven PHP framework for building high-performance socket servers supporting HTTP, WebSocket, SSL, and … | 95 | 11547 | stable |
| h2o/h2o H2O is an optimized HTTP server written in C supporting HTTP/1.x, HTTP/2, and HTTP/3 (QUIC), with features like server push, 103 Early Hint… | 75 | 11539 | active |
| tymondesigns/jwt-auth A PHP library providing JSON Web Token (JWT) authentication for Laravel and Lumen applications. It handles token issuance, refresh, and val… | 66 | 11495 | stable |
| debug-js/debug A tiny JavaScript debugging utility modeled after Node.js core's debugging technique that exposes namespaced debug loggers controlled via t… | 62 | 11451 | stable |
| bufbuild/buf Buf is a modern CLI toolchain for Protocol Buffers that replaces protoc with a fast compiler plus linting, formatting, breaking-change dete… | 97 | 11389 | active |
| pressly/goose goose is a database migration tool available both as a CLI binary and a Go library. It manages schema changes through incremental SQL files… | 93 | 11366 | stable |
| apereo/cas Apereo CAS is an enterprise open-source identity provider and single sign-on server implemented in Java on Spring Boot. It centralizes auth… | 99 | 11360 | stable |
| JamesNK/Newtonsoft.Json Json.NET (Newtonsoft.Json) is the most popular high-performance JSON framework for .NET, providing serialization, LINQ to JSON, JSON Path q… | 69 | 11315 | stable |
| php/frankenphp FrankenPHP is a modern PHP application server built on top of the Caddy web server, embedding the official PHP executor in a Go binary. It … | 98 | 11310 | active |
| dotansimha/graphql-code-generator GraphQL Code Generator is a plugin-based CLI tool that generates typed code from GraphQL schemas and operations (queries, mutations, subscr… | 95 | 11264 | stable |
| panjf2000/gnet gnet is a high-performance, lightweight, event-driven networking framework written in pure Go, built on epoll and kqueue with a reactor pat… | 84 | 11235 | stable |
| Dompdf Dompdf is an HTML to PDF converter implemented as a PHP library, functioning as a mostly CSS 2.1-compliant HTML layout and rendering engine… | 95 | 11177 | stable |
| nitrojs/nitro Nitro is a TypeScript server toolkit that extends Vite apps with a production-ready server featuring file-based routing, caching, KV storag… | 95 | 11148 | active |
| octobercms/october October CMS is a self-hosted content management system and web platform built on the Laravel PHP framework, using Twig templating and a plu… | 89 | 11148 | active |
| z-song/laravel-admin laravel-admin is an administrative interface builder for the Laravel PHP framework that generates full-featured CRUD backends with just a f… | 59 | 11142 | active |
| chimurai/http-proxy-middleware A Node.js middleware library for proxying HTTP requests, wrapping the httpxy proxy engine in a simple one-liner API. It integrates with con… | 96 | 11134 | stable |
| aws/chalice AWS Chalice is a Python serverless microframework for building and deploying applications on AWS Lambda. It provides a CLI for scaffolding … | 76 | 11061 | stable |
| FerretDB/FerretDB FerretDB is an open-source MongoDB alternative that acts as a proxy translating the MongoDB 5.0+ wire protocol into SQL, backed by PostgreS… | 78 | 11056 | active |
| Kludex/uvicorn Uvicorn is a lightning-fast ASGI web server implementation for Python, supporting HTTP/1.1 and WebSockets. It serves async Python framework… | 99 | 10927 | stable |
| dtm-labs/dtm DTM is a distributed transaction framework that provides cross-service eventual data consistency using saga, TCC, XA, 2-phase message, outb… | 50 | 10911 | stable |
| dotnet/orleans Microsoft Orleans is a cross-platform .NET framework for building robust, scalable distributed applications using the Virtual Actor Model. … | 97 | 10844 | stable |
| Phalcon Phalcon is a full-stack PHP web framework delivered as a compiled C extension (written in Zephir/C), exposing its functionality as PHP clas… | 99 | 10829 | active |
| TykTechnologies/tyk Tyk Gateway is a cloud-native, open-source API Gateway written in Go that supports REST, GraphQL, TCP, and gRPC protocols. It provides rate… | 97 | 10805 | stable |
| TooTallNate/Java-WebSocket A barebones WebSocket client and server library written in 100% Java, built on java.nio for a non-blocking, event-driven model. It implemen… | 51 | 10805 | stable |
| dicedb/dicedb DiceDB is an open-source, low-latency key/value data store forked from Valkey (itself a fork of Redis), written in C. It extends Valkey wit… | 68 | 10772 | active |
| 99designs/gqlgen gqlgen is a Go library for building GraphQL servers using a schema-first approach with code generation. It generates type-safe resolvers an… | 97 | 10753 | stable |
| helmetjs/helmet Helmet is a Node.js middleware library that secures Express and Connect apps by setting HTTP response headers such as Content-Security-Poli… | 75 | 10729 | stable |
| Automattic/node-canvas node-canvas is a Cairo-backed implementation of the Web Canvas API for Node.js, enabling 2D drawing, text rendering, and image manipulation… | 87 | 10690 | active |
| restify/node-restify Restify is a Node.js web service framework optimized for building semantically correct RESTful APIs, using connect-style middleware and Sin… | 88 | 10686 | stable |
| nodejs/node-gyp node-gyp is a cross-platform command-line tool for compiling native addon modules for Node.js, built on a vendored copy of gyp-next. It dow… | 99 | 10685 | stable |
| RQ RQ (Redis Queue) is a simple Python library for queueing jobs and processing them in the background with workers, backed by Redis or Valkey… | 95 | 10670 | stable |
| Centrifugo Centrifugo is an open-source, language-agnostic real-time messaging (PUB/SUB) server written in Go that delivers messages to online users o… | 99 | 10668 | stable |
| benoitc/gunicorn Gunicorn is a Python WSGI HTTP server for UNIX using a pre-fork worker model, broadly compatible with WSGI and ASGI frameworks like Django,… | 99 | 10660 | stable |