domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| youseries/urule URule is a pure Java business rule engine based on the RETE algorithm, offering rule sets, decision tables, decision trees, scorecards, and… | 23 | 1946 | maintenance |
| rtomayko/tilt Tilt is a generic Ruby interface to multiple template engines (ERB, Haml, Sass, Slim, and many others), providing a uniform API for compili… | 69 | 1942 | maintenance |
| florianheinemann/passwordless A Node.js/Express module that enables passwordless user authentication using one-time password (OTPW) tokens delivered via email or SMS. It… | 23 | 1941 | maintenance |
| openshift/osin OSIN is a Go library for building your own OAuth2 authentication server, implementing the RFC 6749 specification including authorization an… | 76 | 1935 | maintenance |
| produck/svg-captcha A Node.js library that generates SVG-based CAPTCHA images without native C++ dependencies. It produces random text or math-expression captc… | 32 | 1935 | maintenance |
| dev-mastery/comments-api A Node.js comments microservice API built with Express and MongoDB, demonstrating Clean Architecture principles. It includes XSS sanitizati… | 32 | 1935 | maintenance |
| qvest-digital/loginsrv A standalone minimalistic login microservice written in Go that authenticates users against pluggable backends (htpasswd, simple config, HT… | 23 | 1930 | maintenance |
| monix/monix Monix is a high-performance Scala and Scala.js library for composing asynchronous, event-based programs, offering data types like Observabl… | 88 | 1928 | maintenance |
| doableware/djongo Djongo is a Django database connector that lets Django projects use MongoDB as a backend without changing the Django ORM. It works as a SQL… | 67 | 1921 | maintenance |
| eveningkid/denodb DenoDB is a typed ORM for Deno supporting PostgreSQL, MySQL, MariaDB, SQLite, and MongoDB. It provides a simple model-based API for definin… | 23 | 1919 | maintenance |
| dromara/raincat Raincat is a strongly consistent distributed transaction framework for Java, implementing TCC-style transactions across RPC frameworks. It … | 32 | 1908 | maintenance |
| ycd/manage-fastapi manage-fastapi is a Python CLI tool that generates and manages FastAPI project and app boilerplates with customizable options like Dockerfi… | 23 | 1907 | maintenance |
| zhangyuang/egg-react-ssr A minimal Egg.js + React server-side rendering application scaffold supporting both JavaScript and TypeScript, with seamless CSR/SSR mode s… | 10 | 1906 | 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 | 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 | 1900 | maintenance |
| yortus/asyncawait A Node.js library that brings async/await-style coding to JavaScript, predating native ES2017 async/await by enabling suspendable functions… | 23 | 1896 | maintenance |
| Tencent/phxqueue PhxQueue is a high-availability, high-throughput distributed queue built on the Paxos consensus protocol, developed by Tencent and used in … | 23 | 1894 | maintenance |
| biokoda/actordb ActorDB is a distributed SQL database written in Erlang that combines the scalability of a KV store with full relational query capabilities… | 32 | 1888 | 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 |
| denisenkom/go-mssqldb A pure Go driver for Microsoft SQL Server implementing Go's database/sql interface via the TDS protocol. It supports SQL Server and Windows… | 31 | 1883 | maintenance |
| Koed00/django-q Django Q is a native multiprocessing distributed task queue for Django, supporting asynchronous, scheduled, cron, and repeated tasks with D… | 23 | 1877 | maintenance |
| mosuka/bayard Bayard is a distributed full-text search and indexing server written in Rust, exposing gRPC and RESTful APIs. It supports index sharding, r… | 23 | 1870 | maintenance |
| kanwangzjm/funiture A Java Spring-based web application demonstrating a wide range of backend components: permission management, system monitoring, dynamic Qua… | 32 | 1866 | maintenance |
| sqorn/sqorn Sqorn is a lightweight JavaScript library for building SQL queries using tagged template literals, with a composable chain/extend/embed API… | 10 | 1860 | maintenance |
| encode/orm An async ORM for Python supporting Postgres, MySQL, and SQLite, built on SQLAlchemy core, the databases library, and typesystem validation.… | 10 | 1858 | maintenance |
| Qihoo360/QConf QConf is a distributed configuration management system built on ZooKeeper that replaces traditional configuration files with centrally mana… | 23 | 1856 | maintenance |
| bripkens/connect-history-api-fallback A small Node.js middleware for Connect and Express that rewrites requests to an index page (default /index.html) so Single Page Application… | 32 | 1855 | 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 |
| gocraft/dbr gocraft/dbr is a Go library that extends database/sql with a fast query builder and convenience features like struct loading, IN-clause int… | 23 | 1848 | maintenance |
| yinqiwen/ardb Ardb is a Redis-protocol-compatible persistent NoSQL key-value server written in C++ that supports pluggable storage engines such as RocksD… | 23 | 1847 | maintenance |
| quantmind/pulsar Pulsar is an event-driven concurrent framework for Python built on asyncio, providing tools for building scalable network applications such… | 10 | 1845 | maintenance |
| rpclib/rpclib rpclib is a modern C++14 msgpack-RPC library providing both client and server implementations with no IDL or code generation required. Func… | 23 | 1840 | maintenance |
| trailblazer/roar Roar is a Ruby framework for parsing and rendering REST API documents using representers, supporting JSON, JSON-HAL, and XML formats. Its b… | 23 | 1836 | maintenance |
| Automattic/monk Monk is a lightweight Node.js library providing a simplified, promise-based API layer on top of the MongoDB driver. It offers usability imp… | 23 | 1827 | maintenance |
| mikeerickson/validatorjs validatorjs is a JavaScript data validation library inspired by Laravel's Validator, usable in both the browser and Node.js. It provides de… | 23 | 1826 | maintenance |
| siaorg/sia-task SIA-TASK is a microservices-oriented distributed task scheduling platform written in Java. It collects task metadata from executors, suppor… | 23 | 1825 | maintenance |
| spacejam/sled sled is a lightweight, high-performance embedded key-value database written in pure Rust, offering a threadsafe BTreeMap-like API with ACID… | 57 | 9081 | experimental |
| tmsmith/Dapper-Extensions Dapper Extensions is a small .NET library that complements Dapper by adding automatic CRUD operations (Get, Insert, Update, Delete) for POC… | 32 | 1817 | maintenance |
| ZHENFENG13/ssm-demo A demo admin management system built with the classic Java SSM stack (Spring, SpringMVC, MyBatis) plus easyUI, Redis caching, and Maven. It… | 32 | 1811 | maintenance |
| diegohaz/rest A Yeoman generator that scaffolds RESTful API projects using Node.js, Express, and Mongoose. It generates customizable boilerplate with opt… | 23 | 1811 | maintenance |
| bitwalker/timex Timex is a comprehensive date/time library for Elixir with full timezone support via the tzdata package. It provides rich APIs for manipula… | 34 | 1806 | maintenance |
| bilibili/discovery Discovery is Bilibili's production-ready service registry used for locating middle-tier servers to enable resilient load balancing and fail… | 23 | 1805 | maintenance |
| tangxuehua/enode ENode is a C# application framework for building DDD, CQRS, event sourcing, and event-driven architecture style applications on .NET. It en… | 32 | 1804 | maintenance |
| op/go-logging A logging infrastructure library for Go with customizable output formats and support for multiple backends such as syslog, file, and memory… | 32 | 1800 | maintenance |
| hashrocket/decent_exposure A Ruby gem providing declarative helpers (expose, expose!, exposure_config) for Rails controllers to lazily expose models and memoized attr… | 32 | 1798 | maintenance |
| mdbootstrap/adminlte-laravel A Laravel package that replaces the default Laravel scaffolding with the AdminLTE admin dashboard template (Bootstrap 3) and the Pratt land… | 44 | 1796 | maintenance |
| microsoft/nodejstools Node.js Tools for Visual Studio (NTVS) is a Microsoft-maintained extension that adds Node.js development support to Visual Studio. It provi… | 67 | 1795 | maintenance |
| FransBouma/Massive Massive is a small, dynamic MicroORM for .NET built on the Expando/dynamic type, distributed as source files you compile into your project.… | 46 | 1795 | maintenance |
| spring-attic/spring-cloud-sleuth Spring Cloud Sleuth is a distributed tracing library for Spring Boot and Spring Cloud applications that instruments requests with trace and… | 10 | 1792 | maintenance |
| fuce1314/Springboot_v2 SpringBoot_v2 is a clean, well-commented Spring Boot admin scaffold (boilerplate) with a Vue/Bootstrap front-end, login/registration, permi… | 32 | 1783 | 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 |
| krakenjs/lusca Lusca is web application security middleware for Express/Node.js apps. It provides configurable protections including CSRF tokens, Content … | 25 | 1775 | maintenance |
| mongo-js/mongojs mongojs is a Node.js module that wraps the official MongoDB native driver and emulates the official MongoDB shell API with callback-style m… | 32 | 1773 | maintenance |
| danielgtaylor/python-betterproto A Python code generator and runtime library for Protobuf 3 and async gRPC that produces idiomatic, typed, dataclass-based Python code. It s… | 37 | 1769 | maintenance |
| louislivi/SMProxy SMProxy is a lightweight MySQL database connection pool and proxy middleware built on the MySQL protocol and the Swoole coroutine engine. I… | 23 | 1760 | maintenance |
| alastairtree/LazyCache LazyCache is a thread-safe in-memory caching library for .NET with a simple generics-based GetOrAdd API built on Microsoft.Extensions.Cachi… | 44 | 1758 | maintenance |
| baijunyao/thinkphp-bjyadmin A ThinkPHP-based admin starter project that integrates common features and third-party SDKs (Auth/RBAC permissions, Alipay and WeChat payme… | 10 | 1756 | maintenance |
| Graphcool/graphcool-framework An open-source backend development framework for building and deploying GraphQL APIs, centered on a GraphQL Database that auto-generates CR… | 10 | 1754 | maintenance |
| rvagg/node-worker-farm A Node.js library that distributes processing tasks across multiple child processes with a simple API. It provides call durability, automat… | 32 | 1737 | maintenance |
| 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 |
| Azure/durabletask The Durable Task Framework (DTFx) is a C# library for writing long-running persistent workflows (orchestrations) using async/await construc… | 96 | 1732 | maintenance |
| ReactiveX/RxPHP RxPHP is the ReactiveX implementation for PHP, providing a library for composing asynchronous and event-based programs using observable str… | 62 | 1732 | maintenance |
| Automattic/knox Knox is a Node.js client library for the Amazon S3 REST API, offering both low-level HTTP-verb methods and higher-level helpers like putFil… | 23 | 1730 | 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 | 1728 | maintenance |
| squeaky-pl/japronto Japronto is a screaming-fast asynchronous HTTP toolkit with an integrated pipelining HTTP server for Python 3.5+, implemented in hand-tuned… | 32 | 8530 | experimental |
| 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 | 1725 | maintenance |
| websocket-rails/websocket-rails A Ruby gem that adds plug-and-play WebSocket support to Ruby on Rails applications, with an event router that maps client events to control… | 32 | 1714 | maintenance |
| Tencent/paxosstore PaxosStore is a distributed database system developed by Tencent, inspired by Google MegaStore and used in WeChat production for core backe… | 32 | 1714 | maintenance |
| slog-rs/slog slog is an ecosystem of reusable components for structured, contextual, extensible, and composable logging in Rust. It is a mature, battle-… | 76 | 1708 | 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 | 1705 | 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 |
| awtkns/fastapi-crudrouter A Python library extending FastAPI's APIRouter that automatically generates and documents CRUD REST routes from Pydantic models and databas… | 23 | 1694 | maintenance |
| unitycontainer/unity Unity Container is a full-featured, extensible dependency injection container for .NET applications, distributed as NuGet packages (Unity, … | 23 | 1693 | maintenance |
| Cybereason/Logout4Shell A Java-based proof-of-concept tool by Cybereason that exploits the Log4Shell vulnerability (CVE-2021-44228) to 'vaccinate' a vulnerable ser… | 32 | 1692 | maintenance |
| igrigorik/em-websocket em-websocket is an async WebSocket server library for Ruby built on EventMachine. It supports all WebSocket protocol drafts in use (75, 76,… | 32 | 1688 | maintenance |
| natemcmaster/LettuceEncrypt LettuceEncrypt is a NuGet library for ASP.NET Core that integrates with certificate authorities like Let's Encrypt via the ACME protocol to… | 10 | 1685 | maintenance |
| lukeed/worktop worktop is a lightweight TypeScript web framework for building HTTP APIs on Cloudflare Workers. It provides a router with pattern definitio… | 23 | 1684 | maintenance |
| ianstormtaylor/permit Permit is an unopinionated authentication library for Node.js APIs, supporting bearer token and username/password schemes. It works with an… | 32 | 1682 | 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 |
| nhibernate/fluent-nhibernate Fluent NHibernate is a .NET library providing fluent, XML-free, compile-safe, convention-based mappings for the NHibernate ORM. It supports… | 66 | 1666 | maintenance |
| spring-attic/spring-statemachine Spring Statemachine is a Java framework that lets Spring application developers model application logic as finite state machines, supportin… | 10 | 1662 | maintenance |
| brandonsavage/Upload A PHP library that simplifies handling file uploads with validation rules (mimetype, size) and pluggable storage strategies such as the loc… | 10 | 1654 | maintenance |
| oussamahamdaoui/forgJs ForgJs is a lightweight JavaScript object validator that lets developers define rules for validating values like emails, passwords, numbers… | 23 | 1651 | maintenance |
| contribsys/einhorn Einhorn is a language-independent shared socket manager that runs and supervises multiple copies of a long-lived process, opening server so… | 66 | 1646 | maintenance |
| java-json-tools/json-schema-validator A pure Java implementation of JSON Schema validation supporting draft v4 (with hyperschema) and draft v3, focused on correctness and perfor… | 23 | 1644 | maintenance |
| SOFAArk Jarslink 2.0 is an Ark Plugin built on SOFAArk that manages multi-application (multi-Biz) merged deployment on a single JVM, supporting dyn… | 97 | 1641 | maintenance |
| mailboxer/mailboxer Mailboxer is a Ruby on Rails gem that adds a private messaging system to web applications. It supports multi-participant conversations, sys… | 23 | 1635 | maintenance |
| cihub/seelog Seelog is a native Go logging library providing flexible asynchronous dispatching, filtering, and formatting of log messages. It supports X… | 23 | 1633 | 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 | 1633 | maintenance |
| opauth/opauth Opauth is a multi-provider authentication framework for PHP, inspired by OmniAuth for Ruby. It provides a standardized API for interfacing … | 23 | 1632 | maintenance |
| markfinger/python-react A Python library that renders React components server-side by delegating rendering to a Node.js render server, passing props from Python da… | 45 | 1631 | maintenance |
| nahid/talk Talk is a Laravel package that adds a user-to-user conversation and chat system with realtime messaging to any Laravel application. It prov… | 23 | 1620 | maintenance |
| wfh45678/radar Radar is a lightweight real-time risk control and decision engine built with Java (Spring Boot), MongoDB, Redis, Elasticsearch, and a Groov… | 23 | 1619 | maintenance |
| websockets-rs/rust-websocket Rust-WebSocket is a Rust library implementing the WebSocket protocol (RFC6455) for both client and server connections, with message-level a… | 67 | 1615 | maintenance |
| funny/link A Go network-layer scaffolding library that provides session management primitives (Session, Manager, Server, Channel) decoupled from any s… | 23 | 1612 | maintenance |
| Wizzercn/NutzWk NutzWk (new name BudWk) is an open-source enterprise-grade Java web development framework built on the Nutz/NutzBoot stack with a Vue.js + … | 23 | 1609 | maintenance |
| matoous/go-nanoid A Go implementation of the nanoid algorithm for generating compact, URL-safe unique identifiers using a cryptographically strong random gen… | 48 | 1601 | maintenance |
| Sh4yy/cloudflare-email A Cloudflare Workers-based proxy server for sending free transactional emails via the MailChannels API. It exposes an authenticated HTTP en… | 54 | 1600 | maintenance |
| devinus/poolboy Poolboy is a lightweight, generic worker pool library for Erlang focused on simplicity, performance, and reliable disaster recovery. It man… | 32 | 1599 | maintenance |
| ptarjan/node-cache A simple in-memory key-value cache library for Node.js with optional TTL-based expiration and timeout callbacks. It supports multiple cache… | 32 | 1595 | maintenance |