domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| hvac/hvac hvac is a Python 3.x client library for the HashiCorp Vault HTTP API. It lets Python applications authenticate to Vault and read, write, an… | 55 | 1315 | active |
| softwaremill/macwire MacWire is a zero-cost, compile-time, type-safe dependency injection library for Scala built on macros. It generates instance-creation code… | 80 | 1314 | stable |
| Shopify/job-iteration A Ruby gem extending ActiveJob that makes long-running background jobs interruptible and resumable via cursor-based checkpointing. Develope… | 89 | 1313 | stable |
| erlyaws/yaws Yaws is a high-performance HTTP 1.1 webserver written entirely in Erlang, particularly well suited for dynamic-content web applications. It… | 88 | 1312 | stable |
| snowfire/Beautymail A Laravel package for sending beautiful, responsive HTML emails using pre-built templates like Widgets, Minty, and Sunny. It integrates wit… | 30 | 1312 | active |
| procore-oss/blueprinter Blueprinter is a declarative JSON serialization library for Ruby that turns business objects into simple hashes and renders them as JSON. I… | 76 | 1311 | active |
| leafsphp/leaf Leaf is a lightweight, modular PHP framework focused on developer experience, rapid development, and high performance for web apps and APIs… | 98 | 1310 | active |
| xun082/DocFlow DocFlow is an AI-powered collaborative documentation platform built with Next.js, Tiptap, and Yjs, offering block-based editing, real-time … | 52 | 1310 | active |
| yedf2/handy Handy is a simple, easy-to-use C++11 network server library supporting high-concurrency TCP/UDP servers with epoll on Linux and kqueue on m… | 23 | 4644 | maintenance |
| devise-two-factor/devise-two-factor A minimalist Ruby gem extending Devise with two-factor authentication via TOTP. It integrates with authenticator apps like Google Authentic… | 72 | 1308 | active |
| stevebauman/location A PHP/Laravel package that retrieves a visitor's geographic location from their IP address using various online and local geolocation servi… | 85 | 1307 | active |
| SkipLabs/skip Skip is an open-source framework for building reactive backend services, featuring an incremental compute engine that automatically keeps d… | 78 | 1307 | active |
| enilu/web-flash web-flash is a full-stack admin framework built on Spring Boot and Vue.js, providing a backend management system (Element UI) and a mobile … | 23 | 1304 | active |
| spatie/laravel-model-states A Laravel package that adds state machine support to Eloquent models, letting each state be a separate class with defined transitions. It h… | 91 | 1302 | stable |
| openworkflowdev/openworkflow OpenWorkflow is an open-source TypeScript framework for building durable, resumable workflows backed by PostgreSQL or SQLite. It memoizes e… | 78 | 1302 | active |
| Stiffstream/restinio RESTinio is a C++17 header-only library providing an embedded asynchronous HTTP(S)/WebSocket server built on standalone ASIO. It offers Exp… | 76 | 1302 | stable |
| isaacs/node-graceful-fs graceful-fs is a drop-in replacement for Node.js's fs module that makes filesystem access more resilient. It queues and retries open/readdi… | 54 | 1302 | stable |
| Netflix/ribbon Ribbon is a JVM client-side inter-process communication (RPC) library with built-in software load balancers, battle-tested in Netflix's clo… | 48 | 4615 | maintenance |
| jazzband/django-analytical A Django application that integrates many third-party analytics services into Django projects via a generic template tag interface. It hide… | 64 | 1301 | stable |
| savsgio/atreugo Atreugo is a high-performance, extensible micro web framework for Go built on top of fasthttp, with zero memory allocations in hot paths. I… | 23 | 1301 | active |
| moonshine-software/moonshine MoonShine is an admin panel builder for the Laravel framework, built with Blade, Alpine.js and Tailwind CSS. It lets developers define CRUD… | 92 | 1299 | stable |
| menacher/java-game-server Jetserver (Nadron) is a high-speed Java NIO socket server designed specifically for network-based multiplayer games, built on Netty 4.1 for… | 55 | 1299 | active |
| jruizgit/rules A polyglot rules engine (Ruby, Python, Node.js) for real-time, scalable coordination of events using a Rete-based forward-chaining inferenc… | 37 | 1299 | active |
| pillarjs/multiparty multiparty is a Node.js library for parsing HTTP requests with content-type multipart/form-data, commonly used for handling file uploads. I… | 76 | 1298 | active |
| inetaf/tcpproxy A Go library and CLI (tlsrouter) for building TCP proxies that route connections based on static rules, HTTP/1 Host headers, and TLS SNI se… | 69 | 1296 | stable |
| symfony/psr-http-message-bridge A Symfony component that converts between Symfony HttpFoundation Request/Response objects and PSR-7/PSR-17 HTTP message objects. It enables… | 94 | 1295 | stable |
| pillarjs/cookies A Node.js module for getting and setting HTTP(S) cookies, with optional signing to prevent tampering via Keygrip. It works with the built-i… | 61 | 1295 | stable |
| liady/webpack-node-externals A small JavaScript library that generates a Webpack externals function to exclude node_modules dependencies from server-side bundles. It sc… | 54 | 1294 | active |
| waiting-for-dev/devise-jwt A Ruby gem that extends Devise to authenticate Rails users with JWT tokens instead of cookies, built as a thin layer over warden-jwt_auth. … | 72 | 1292 | active |
| mugnavo/tanstarter TanStarter is a minimal, opinionated starter template for TanStack Start that scaffolds a full-stack type-safe React application with Drizz… | 68 | 1292 | active |
| nalgeon/redka Redka reimplements the core parts of Redis (strings, lists, sets, hashes, sorted sets) on top of SQL backends like SQLite or PostgreSQL, wh… | 55 | 4570 | maintenance |
| sebadob/rauthy Rauthy is a lightweight, Rust-based Identity Provider offering Single Sign-On via OpenID Connect, OAuth 2, and PAM, with strong emphasis on… | 95 | 1291 | active |
| firebase/firebase-admin-go The Firebase Admin Go SDK lets privileged server-side Go applications access Firebase services such as Authentication, Firestore, Cloud Mes… | 93 | 1291 | active |
| bbottema/simple-java-mail Simple Java Mail is a Java library that wraps Jakarta Mail with a fluent builder API for composing and sending well-formed MIME emails. It … | 99 | 1290 | stable |
| miguelgrinberg/Flask-HTTPAuth Flask-HTTPAuth is a Flask extension that adds HTTP authentication to routes, supporting Basic, Digest, and Token schemes. It provides decor… | 73 | 1289 | stable |
| reactphp/socket A PHP library providing asynchronous, streaming plaintext TCP/IP and secure TLS socket server and client connections for the ReactPHP ecosy… | 69 | 1287 | stable |
| dromara/RuoYi-Cloud-Plus RuoYi-Cloud-Plus is a Java microservices-based general-purpose permission management system that rewrites RuoYi-Cloud with a full-stack upg… | 94 | 1286 | active |
| nuxt-hub/core NuxtHub is a Nuxt module that adds full-stack backend capabilities to Nuxt applications, including SQL database (via Drizzle ORM), blob fil… | 86 | 1286 | active |
| go2ismail/Asp.Net-Core-Inventory-Order-Management-System A warehouse and inventory management system (WMS) built on ASP.NET Core 9 with a headless API using Clean Architecture, CQRS, and MediatR. … | 65 | 1286 | active |
| dotnetcore/sharding-core ShardingCore is a high-performance, lightweight .NET library that adds table sharding, database sharding, and read-write separation to Enti… | 87 | 1285 | active |
| Nic13Gamer/better-upload Better Upload is a TypeScript library for adding file uploads to React applications, with client hooks, pre-built shadcn/ui dropzone compon… | 79 | 1285 | active |
| soloterm/solo A Laravel package that provides a single artisan command to run and manage multiple local development processes in tabbed terminal UI. It u… | 56 | 1285 | active |
| lift/framework Lift is an open-source, security-focused web framework for building interactive, scalable web applications in Scala on the JVM. It offers v… | 80 | 1284 | stable |
| code-chat-br/whatsapp-api CodeChat is a self-hosted REST API service built on the Baileys library that exposes WhatsApp functionality (instances, messaging, chats, g… | 82 | 1282 | active |
| vinejs/vine VineJS is a fast, schema-based form data validation library for Node.js, designed to validate HTTP request bodies and JSON payloads with bo… | 83 | 1281 | active |
| scalikejdbc/scalikejdbc ScalikeJDBC is a tidy SQL-based database access library for Scala that wraps JDBC APIs with easy-to-use, flexible APIs and a type-safe Quer… | 75 | 1281 | stable |
| kuafuai/aipexbase AipexBase is an AI-native Backend-as-a-Service (BaaS) platform built with Spring Boot that provides data storage, user authentication, and … | 60 | 1280 | active |
| viccon/sturdyc sturdyc is a Go caching library focused on protecting I/O-heavy applications from cache stampedes through request coalescing, asynchronous … | 33 | 1280 | active |
| dromara/SMS4J SMS4J is a Java SMS aggregation framework that unifies the APIs of many Chinese SMS providers (Aliyun, Tencent Cloud, Huawei Cloud, and 20+… | 70 | 1279 | active |
| jellydator/ttlcache TTLCache is an in-memory cache library for Go with per-item or cache-wide TTL expiration, built using generics. It offers thread-safe opera… | 84 | 1278 | active |
| Nyholm/psr7 A super lightweight, strict, and fast PHP implementation of the PSR-7 HTTP message interfaces and PSR-17 factories. It provides request, re… | 47 | 1277 | active |
| RRQM/TouchSocket TouchSocket is a high-performance .NET networking library covering TCP, UDP, SSL, named pipes, HTTP, WebSocket, MQTT, Modbus, and RPC in a … | 67 | 1276 | active |
| asm89/stack-cors A PHP library and Stack middleware that implements the W3C CORS recommendation for http-foundation/http-kernel based applications. It can b… | 61 | 1276 | stable |
| rcortx/kiwiq KiwiQ is a production-grade multi-agent orchestration platform in Python that lets you define AI workflows as JSON/Python graph schemas com… | 49 | 1276 | active |
| carlosas/phpat PHP Architecture Tester (PHPat) is a PHPStan extension that verifies architectural requirements in PHP codebases, such as which namespaces … | 90 | 1275 | active |
| ultrajson/ultrajson UltraJSON (ujson) is an ultra-fast JSON encoder and decoder written in pure C with Python bindings, usable as a drop-in replacement for the… | 90 | 4497 | maintenance |
| elastic/apm-server Elastic APM Server is a Go service that receives trace, metric, and error data from Elastic APM agents (and OpenTelemetry sources) and tran… | 96 | 1272 | active |
| iohao/ioGame ioGame is a lightweight, lock-free, asynchronous, event-driven Java game server framework built on Netty. It supports WebSocket, TCP, and U… | 88 | 1271 | active |
| percona/percona-server Percona Server for MySQL is a free, open source, drop-in replacement for MySQL that adds enhanced performance, scalability, instrumentation… | 67 | 1271 | stable |
| linagora/cozy-stack Cozy-stack is the core backend server of the Cozy/Twake Workplace personal cloud platform, written in Go. It serves user-installed web apps… | 98 | 1270 | active |
| propelorm/Propel2 Propel2 is an open-source, high-performance Object-Relational Mapping (ORM) library for modern PHP (7.4+/PHP8), built on code generation an… | 94 | 1270 | active |
| staudenmeir/belongs-to-through A Laravel Eloquent package that adds BelongsToThrough relationships, the inverse of HasManyThrough, with support for unlimited intermediate… | 72 | 1270 | active |
| joomcode/errorx errorx is a comprehensive error handling library for Go that provides rich error implementations with stack traces, composable error types,… | 23 | 1270 | stable |
| keithwhor/nodal Nodal is an opinionated Node.js framework for building stateless, data-centric CRUD API services backed by PostgreSQL. It provides a full-s… | 32 | 4482 | maintenance |
| hibernate/hibernate-validator Hibernate Validator is the reference implementation of the Jakarta Validation (Bean Validation) 3.1 specification for Java. It lets develop… | 98 | 1269 | stable |
| apache/cassandra-nodejs-driver The official Node.js client library for Apache Cassandra, DSE, HCD, and Astra DB, communicating via Cassandra's binary protocol and CQL. It… | 77 | 1269 | active |
| vargasjona/fastapi-alembic-sqlmodel-async A production-oriented FastAPI project template combining async SQLModel as the ORM, Alembic migrations, Pydantic v2, JWT authentication, an… | 64 | 1269 | active |
| laradumps/laradumps LaraDumps is a desktop debugging application for PHP and Laravel that displays debug dumps, SQL queries, logs, jobs, and other runtime info… | 98 | 1268 | active |
| Alpakka Akka is a JVM-based platform built on the actor model for building concurrent, distributed, and resilient applications, comprising core lib… | 94 | 1268 | active |
| encode/broadcaster A Python library providing a simple async broadcast/publish-subscribe API over multiple backends including Redis PUB/SUB, Redis Streams, Ka… | 10 | 1268 | active |
| improbable-eng/grpc-web A gRPC-Web implementation providing a Go wrapper/proxy to expose gRPC servers to browsers and a TypeScript client library for invoking gRPC… | 23 | 4473 | maintenance |
| lwsjs/local-web-server local-web-server is a lean, modular web server for rapid full-stack development, distributed as the `ws` command-line tool built on the lws… | 37 | 1267 | active |
| primus/primus Primus is a Node.js abstraction layer over multiple real-time frameworks (WebSocket, SockJS, Engine.IO, BrowserChannel, polling) that expos… | 23 | 4469 | maintenance |
| cytopia/devilbox The Devilbox is a zero-configuration Docker-based development stack for PHP supporting full LAMP, LEMP and MEAN setups with swappable versi… | 23 | 4468 | maintenance |
| favadi/protoc-go-inject-tag A Go CLI tool that injects custom struct tags into generated Go protobuf (.pb.go) files using @gotags comments in .proto files. It works as… | 46 | 1266 | stable |
| netlify/gotrue GoTrue is a small open-source API written in Go that handles user registration, authentication, and user management for APIs and Jamstack p… | 65 | 4462 | maintenance |
| reagento/dishka Dishka is a dependency injection (DI) framework for Python providing an IoC container with scoped lifecycles and a clean API. It focuses so… | 86 | 1265 | active |
| hoodiehq/hoodie Hoodie is a Node.js-based generic backend that serves a client API for building Offline First applications that work regardless of connecti… | 23 | 4458 | maintenance |
| Expensify/Bedrock Bedrock is a distributed database server built by Expensify on top of SQLite, providing WAN replication, active/active automatic failover, … | 96 | 1264 | active |
| zerodha/dungbeetle DungBeetle is a lightweight, single-binary distributed job server for queuing and asynchronously executing heavy SQL read jobs (such as rep… | 60 | 1264 | active |
| simpleinjector/SimpleInjector Simple Injector is an easy, flexible, and fast Dependency Injection (DI) library for .NET, designed to promote best practices and steer dev… | 92 | 1263 | stable |
| FriendsOfSymfony/FOSElasticaBundle A Symfony bundle that integrates the Elastica PHP client with Elasticsearch, providing index configuration, serialization, and Doctrine eve… | 84 | 1263 | active |
| tj/ejs EJS (Embedded JavaScript) is a template engine for Node.js that lets you generate HTML using plain JavaScript embedded in templates. It int… | 32 | 4451 | maintenance |
| JosephSilber/page-cache A Laravel package that caches HTTP responses as static HTML files on disk, allowing the web server to serve pages directly without booting … | 55 | 1260 | active |
| OpenLiberty/open-liberty Open Liberty is a lightweight, composable Java application server runtime for building cloud-native microservices with MicroProfile and Jak… | 98 | 1259 | active |
| wundergraph/cosmo WunderGraph Cosmo is an open-source full lifecycle API management platform for federated GraphQL, including a schema registry, composition … | 92 | 1259 | active |
| jazzband/django-rest-knox django-rest-knox is a token-based authentication library for Django REST Framework that improves on DRF's built-in TokenAuthentication. It … | 86 | 1259 | active |
| BeaconCMS/beacon Beacon is an open-source content management system built on Phoenix LiveView in Elixir, designed for fast rendering of content-heavy pages … | 71 | 1259 | active |
| VoidStar2077/workspace A lightweight, header-only C++11 asynchronous task execution framework providing dynamic and static thread pools. It supports general async… | 45 | 1259 | active |
| oxequa/realize Realize is a Go task runner and live-reload tool that watches files and automatically rebuilds and reruns Go projects. It supports multiple… | 23 | 4435 | maintenance |
| braisdom/ObjectiveSql ObjectiveSQL is a Java ORM framework based on the ActiveRecord pattern that lets developers write SQL expressions using Java syntax with mi… | 32 | 1258 | active |
| tj/node-prune A small Go CLI tool that removes unnecessary files (markdown, TypeScript sources, etc.) from node_modules directories to reduce their size.… | 23 | 4425 | maintenance |
| Xerxes-2/clewdr ClewdR is a high-performance Rust proxy for Claude.ai and Claude Code that exposes native Claude and OpenAI-compatible API endpoints from a… | 83 | 1256 | active |
| btcsuite/btcwallet btcwallet is a secure hierarchical deterministic (HD) bitcoin wallet daemon written in Go. It acts as an RPC client to a btcd full node and… | 67 | 1256 | active |
| redis/redis-om-node Redis OM for Node.js is a TypeScript library that maps Redis data structures to JavaScript objects with a fluent, schema-based API. It supp… | 39 | 1255 | active |
| tolitius/mount Mount is a Clojure and ClojureScript library for managing application state and lifecycle, allowing developers to start, stop, and reset st… | 71 | 1254 | stable |
| django-waffle/django-waffle Django Waffle is a feature flag (feature flipper) library for Django that lets you define conditions under which a flag is active. It integ… | 62 | 1254 | stable |
| feiniaojin/graceful-response Graceful Response is a Spring Boot library that elegantly handles API response processing, including unified response body wrapping, global… | 29 | 1253 | active |
| OptimalBits/redbird Redbird is a TypeScript library for building dynamic reverse proxies on Node.js, built on top of http-proxy. It supports programmatic route… | 34 | 4412 | maintenance |
| django-json-api/django-rest-framework-json-api A library that adds JSON:API specification support to Django REST framework, transforming default DRF responses into compliant JSON:API for… | 73 | 1252 | active |