domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| coder/websocket A minimal and idiomatic WebSocket library for Go, originally by nhooyr and now maintained by Coder. It offers zero-dependency, context-firs… | 79 | 5432 | active |
| unkeyed/unkey Unkey is an open-source, source-available developer platform for modern APIs that combines instant deployments, a globally distributed gate… | 92 | 5423 | active |
| h3js/h3 H3 is a minimal, high-performance HTTP server framework for TypeScript/JavaScript built on web standards. It is runtime-agnostic (Node.js, … | 98 | 5415 | active |
| oakserver/oak Oak is a middleware framework for handling HTTP requests, inspired by Koa and Express, with an included middleware router. It runs on Deno,… | 63 | 5410 | active |
| agentejo/cockpit Cockpit is a self-hosted, API-first headless CMS written in PHP that adds content management to any site via REST/JSON APIs. It offers flex… | 32 | 5395 | active |
| ory/keto Ory Keto is an open-source authorization server implementing Google's Zanzibar model for scalable, low-latency permission checks. It suppor… | 80 | 5390 | active |
| Netflix/Hystrix Hystrix is a Java library for latency and fault tolerance in distributed systems, providing circuit breakers, thread/semaphore isolation, f… | 48 | 24474 | maintenance |
| digitallyinduced/ihp IHP is a batteries-included, type-safe full-stack web framework built on Haskell and Nix, featuring compile-checked HTML (HSX), typed SQL q… | 92 | 5342 | active |
| elastic/elasticsearch-php The official PHP client for Elasticsearch, providing 500+ endpoints for indexing, searching, updating, and deleting documents. It is distri… | 94 | 5339 | active |
| google/gson Gson is a Java library for converting Java objects to JSON and back, working with arbitrary objects via reflection without requiring annota… | 88 | 24225 | maintenance |
| solidusio/solidus Solidus is a free, open-source eCommerce platform built as a Ruby on Rails framework, providing a full storefront, admin dashboard, and com… | 92 | 5322 | active |
| ag2ai/faststream FastStream is an asynchronous Python framework for building event-driven applications on top of message brokers like Kafka, RabbitMQ, NATS,… | 98 | 5316 | active |
| pingdotgg/uploadthing UploadThing is a TypeScript SDK and hosted service for adding file uploads to full-stack web applications, with type-safe server-side file … | 72 | 5316 | active |
| mybatis/generator MyBatis Generator (MBG) is a code generator that introspects database tables and generates Java or Kotlin model classes and MyBatis mapper … | 81 | 5313 | stable |
| leizongmin/js-xss A JavaScript library for sanitizing untrusted HTML to prevent XSS attacks using a configurable whitelist of allowed tags and attributes. It… | 69 | 5313 | stable |
| Bogdanp/dramatiq Dramatiq is a fast and reliable distributed background task processing library for Python 3.10+. It uses an actor-based API with RabbitMQ o… | 86 | 5308 | active |
| dunglas/mercure Mercure is an open protocol (with an IETF Internet-Draft) for pushing real-time updates to browsers and HTTP clients over Server-Sent Event… | 90 | 5300 | stable |
| duke-git/lancet Lancet is a comprehensive utility function library for Go with 700+ reusable functions covering strings, slices, datetime, networking, cryp… | 74 | 5296 | active |
| elastic/elasticsearch-js The official Elasticsearch client library for Node.js, maintained by Elastic. It provides a one-to-one mapping to the Elasticsearch REST AP… | 98 | 5291 | stable |
| anjoy8/Blog.Core Blog.Core is an open-source, enterprise-ready ASP.NET Core 8.0 Web API framework with a companion Vue frontend, implementing repository + s… | 67 | 5284 | active |
| ravionhq/superjson Superjson is a TypeScript library that safely serializes and deserializes JavaScript values to a superset of JSON, preserving types like Da… | 70 | 5280 | active |
| metalbear-co/mirrord mirrord is an open-source tool that lets developers and AI coding agents run local processes as if they were pods in a live Kubernetes clus… | 95 | 5278 | active |
| drapergem/draper Draper is a Ruby gem that adds a decorator/view-model layer to Rails applications. It wraps ActiveRecord models with presentation-specific … | 78 | 5276 | stable |
| readysettech/readyset Readyset is a transparent, wire-compatible SQL caching proxy for Postgres and MySQL that sits between your application and database. It cac… | 94 | 5272 | active |
| thinkjs/thinkjs ThinkJS is a Node.js web application framework that leverages full ES2015+ (ES6/7) features like async/await, with TypeScript support. It p… | 66 | 5268 | active |
| nikic/FastRoute FastRoute is a fast, regular expression-based HTTP request router library for PHP. It dispatches HTTP method and URI pairs to registered ha… | 64 | 5268 | stable |
| segmentio/ksuid A Go library for generating and parsing KSUIDs (K-Sortable Unique IDentifiers), the reference implementation of the KSUID format. KSUIDs ar… | 72 | 5266 | stable |
| CodeGenieApp/serverless-express A Node.js library that lets you run Express and other Node.js web frameworks on AWS Lambda and API Gateway (plus Lambda@Edge and Azure Func… | 74 | 5263 | active |
| dherault/serverless-offline A Serverless Framework plugin that emulates AWS Lambda and API Gateway on your local machine. It starts an HTTP server that replicates the … | 97 | 5260 | active |
| killme2008/aviatorscript AviatorScript is a high-performance, lightweight scripting language that runs on the JVM (including Android). It compiles scripts to JVM by… | 84 | 5240 | stable |
| reactor/reactor-core Reactor Core is a non-blocking reactive streams foundation library for the JVM, implementing a Reactive Extensions-inspired API with the Fl… | 99 | 5234 | stable |
| aasm/aasm AASM is a Ruby library for adding finite state machines to Ruby classes, with adapters for ActiveRecord, Mongoid, NoBrainer, Dynamoid, Sequ… | 73 | 5230 | stable |
| dromara/carbon Carbon is a lightweight, semantic, and developer-friendly time and date library for Go with zero third-party dependencies and 100% unit tes… | 98 | 5226 | active |
| gz-yami/mall4j Mall4j is an open-source Java e-commerce mall system built on Spring Boot 4, Vue3, Sa-Token, MyBatis-Plus, and Redis, providing product, or… | 80 | 5220 | active |
| laravel/telescope Laravel Telescope is an elegant debug assistant for the Laravel framework, providing a web dashboard with insight into requests, exceptions… | 98 | 5216 | active |
| formtastic/formtastic Formtastic is a Rails FormBuilder DSL plugin for generating semantic, accessible, and easily stylable HTML forms. It provides a concise inp… | 65 | 5216 | stable |
| piscinajs/piscina Piscina is a fast, efficient worker thread pool library for Node.js, written in TypeScript. It lets developers offload CPU-intensive tasks … | 94 | 5194 | active |
| Mikaelemmmm/go-zero-looklook A full-stack microservices reference project built on the go-zero framework in Go, demonstrating best practices with API/RPC/MQ services an… | 23 | 5193 | active |
| React on Rails React on Rails is a Ruby gem plus npm package that integrates React components into Ruby on Rails applications via view helpers, Shakapacke… | 98 | 5190 | active |
| baomidou/dynamic-datasource A Spring Boot starter that enables rapid integration of multiple, dynamically switchable data sources in Java applications. It supports dat… | 67 | 5184 | active |
| elbywan/wretch Wretch is a tiny (~1.8KB gzipped) TypeScript wrapper around the fetch API with an intuitive, chainable syntax for making HTTP requests. It … | 91 | 5178 | active |
| php-fig/cache The PSR-6 Caching Interface package from PHP-FIG, providing standard PHP interfaces for cache pools and cache items. It contains no impleme… | 39 | 5176 | stable |
| MapsterMapper/Mapster Mapster is a fast, convention-based object-to-object mapping library for .NET/C#. It supports mapping to new or existing objects, queryable… | 99 | 5163 | active |
| firebase/firebase-js-sdk The official Firebase JavaScript SDK providing client-side libraries for Firebase services such as Authentication, Realtime Database, Fires… | 99 | 5139 | stable |
| line/armeria Armeria is a JVM microservice framework built on Netty that lets you serve gRPC, Thrift, REST, and static files on a single port. It provid… | 98 | 5133 | stable |
| rack/rack Rack is a minimal, modular Ruby library and specification that wraps HTTP requests and responses into a simple call, unifying the bridge be… | 82 | 5128 | stable |
| emicklei/go-restful A Go package for building REST-style web services with explicit HTTP method routing and path parameter support. It provides configurable ro… | 65 | 5116 | stable |
| pgmq/pgmq pgmq is a lightweight message queue built on PostgreSQL, providing SQS/RSMQ-like semantics via a Postgres extension and a Rust client crate… | 89 | 5112 | active |
| loopbackio/loopback-next LoopBack 4 is a highly extensible Node.js and TypeScript framework for building REST APIs and microservices, driven by OpenAPI specificatio… | 77 | 5107 | active |
| jeremyevans/sequel Sequel is a Ruby database toolkit providing a concise DSL for SQL query construction, schema management, and a comprehensive ORM layer for … | 77 | 5091 | stable |
| phusion/passenger Phusion Passenger is a fast, robust web server and application server for Ruby, Python, Node.js and Meteor apps, built on a C++ core with a… | 99 | 5088 | stable |
| monoio-rs/monoio Monoio is a thread-per-core asynchronous Rust runtime built on io_uring (with epoll/kqueue fallbacks), originally developed at ByteDance. U… | 65 | 5081 | active |
| akkadotnet/akka.net Akka.NET is an idiomatic .NET port of the Akka toolkit implementing the actor model for building highly concurrent, distributed, and fault-… | 99 | 5080 | active |
| sofastack/sofa-boot SOFABoot is an open-source Java framework built on top of Spring Boot, fully compatible with it, that adds production-grade enhancements su… | 68 | 5071 | active |
| v2board/v2board V2Board is a self-hosted web panel for managing multiple proxy protocols such as V2Ray, Shadowsocks, Trojan, VLESS, and Hysteria. It provid… | 23 | 5061 | active |
| oklog/ulid A Go library implementing ULID (Universally Unique Lexicographically Sortable Identifier), a 128-bit identifier that is lexicographically s… | 84 | 5051 | stable |
| smol-rs/smol smol is a small and fast async runtime for Rust that re-exports a set of composable async crates (executor, I/O, networking, locks, channel… | 66 | 5048 | stable |
| web-infra-dev/modern.js Modern.js is a progressive React web framework from ByteDance built on the Rust-based Rspack/Rsbuild toolchain. It provides file-based nest… | 94 | 5039 | active |
| OpenNext OpenNext is an open-source adapter that converts the Next.js build output into packages deployable to platforms beyond Vercel, natively sup… | 95 | 5021 | active |
| ReactiveX/RxPY ReactiveX for Python (RxPY) is a library for composing asynchronous and event-based programs using observable sequences and pipable query o… | 89 | 5018 | active |
| BurntSushi/toml A Go library for parsing and encoding TOML configuration files, with a reflection-based API mirroring the standard library's and xml packa… | 75 | 5000 | stable |
| ddnexus/pagy Pagy is a fast, framework-agnostic pagination library written in plain Ruby. It supports multiple pagination techniques (OFFSET, COUNTLESS,… | 99 | 4988 | active |
| starfederation/datastar Datastar is a lightweight hypermedia framework for building reactive web applications using declarative data-* attributes in HTML, with a s… | 90 | 4988 | active |
| mbleigh/acts-as-taggable-on A Ruby on Rails plugin (gem) that adds flexible tagging to ActiveRecord models, supporting an arbitrary number of tag contexts such as skil… | 66 | 4988 | stable |
| protobuf-net/protobuf-net protobuf-net is a contract-based serializer for .NET that writes data in Google's Protocol Buffers wire format using idiomatic .NET pattern… | 99 | 4968 | stable |
| querydsl/querydsl Querydsl is a Java framework for constructing type-safe SQL-like queries via a fluent API across multiple backends such as JPA, SQL, MongoD… | 61 | 4968 | stable |
| go-mysql-org/go-mysql A pure Go library implementing the MySQL network protocol and replication, including binlog stream processing, a MySQL client, a fake MySQL… | 77 | 4962 | active |
| dpgaspar/Flask-AppBuilder Flask-AppBuilder is a rapid application development framework built on top of Flask, providing automatic CRUD generation for SQLAlchemy mod… | 92 | 4958 | stable |
| CrowCpp/Crow Crow is a fast, header-only C++ microframework for building HTTP and WebSocket web services, with Flask-style routing and type-safe handler… | 88 | 4956 | active |
| apache/dubbo-go Apache Dubbo-go is the official Go implementation of the Apache Dubbo microservice framework, providing high-performance RPC with service d… | 98 | 4953 | active |
| catfan/Medoo Medoo is a lightweight, single-file PHP database framework that provides a clean, intuitive API for building SQL queries across many databa… | 95 | 4947 | stable |
| uptrace/bun Bun is a lightweight, SQL-first ORM for Go built on database/sql, supporting PostgreSQL, MySQL/MariaDB, MSSQL, SQLite, and Oracle. It provi… | 89 | 4941 | stable |
| gajus/slonik Slonik is a Node.js PostgreSQL client library written in TypeScript that emphasizes writing raw SQL with strict runtime validation and buil… | 91 | 4934 | active |
| Kozea/Radicale Radicale is a lightweight CalDAV and CardDAV server for sharing calendars, to-do lists, and contacts over HTTP. It stores data on the file … | 98 | 4931 | stable |
| hynek/structlog structlog is a production-ready structured logging library for Python that treats log entries as dictionaries processed through composable … | 89 | 4927 | stable |
| mailru/easyjson easy is a fast JSON serializer for Go that generates marshaler/unmarshaler code for structs via a CLI code generator, avoiding reflection. … | 70 | 4915 | stable |
| DefectDojo/django-DefectDojo DefectDojo is an open-source vulnerability management, DevSecOps, and ASPM platform built on Django. It aggregates findings from hundreds o… | 95 | 4909 | active |
| ets-labs/python-dependency-injector Dependency Injector is a dependency injection (IoC) framework for Python, offering providers such as Factory, Singleton, Configuration, and… | 95 | 4908 | stable |
| spring-cloud/spring-cloud-gateway Spring Cloud Gateway is an API gateway built on Spring Framework, Spring Boot, and Project Reactor. It provides routing, filtering, and tra… | 99 | 4904 | stable |
| lunatic-solutions/lunatic Lunatic is an Erlang-inspired runtime for WebAssembly that provides super lightweight, sandboxed processes for building fast, fault-toleran… | 29 | 4884 | active |
| yajra/laravel-datatables A Laravel package that handles the server-side processing for the jQuery DataTables plugin, supporting Eloquent ORM, Fluent Query Builder, … | 99 | 4867 | active |
| tidwall/buntdb BuntDB is an embeddable, in-memory key/value database written in pure Go that persists to disk with an append-only file and provides ACID t… | 70 | 4864 | stable |
| rusterlium/rustler Rustler is a Rust library for writing safe Erlang NIFs (Native Implemented Functions) that run inside the BEAM VM without risking crashes. … | 90 | 4857 | stable |
| searchkit/searchkit Searchkit is an open-source TypeScript library providing search UI components and a Node.js API layer for building search experiences on to… | 77 | 4857 | active |
| doctrine/DoctrineBundle DoctrineBundle is the official Symfony bundle that integrates Doctrine ORM and DBAL into Symfony applications. It provides configuration, c… | 97 | 4831 | stable |
| vercel/eve eve is a filesystem-first TypeScript framework by Vercel for building durable AI agents, where an agent is defined by a conventional direct… | 76 | 4820 | active |
| goravel/goravel Goravel is a full-featured, modular web application framework for Go, styled after Laravel so PHP developers can build Golang applications … | 93 | 4818 | active |
| ZijianHe/koa-router koa-router is Express-style routing middleware for the Koa web framework, supporting named parameters, nested routers, and async/await. It … | 54 | 4814 | stable |
| dromara/dynamic-tp DynamicTp is a lightweight Java framework for managing dynamically configurable, monitored thread pools based on configuration centers like… | 74 | 4800 | active |
| gomods/athens Athens is an open-source, enterprise-ready implementation of the Go Module proxy server that caches and serves Go modules via the Go Module… | 97 | 4793 | active |
| orchidsoftware/platform Orchid is a free, open-source Laravel package for rapid code-driven development of back-office applications, admin panels, and dashboards. … | 91 | 4793 | active |
| corcel/corcel Corcel is a PHP library of Eloquent ORM model classes that lets any PHP application query a WordPress database directly. It enables using W… | 28 | 4776 | active |
| doctrine/migrations Doctrine Migrations is a PHP library built on top of Doctrine DBAL for versioning database schemas and deploying schema changes. It provide… | 83 | 4768 | stable |
| pgcentralfoundation/pgrx pgrx is a Rust framework for developing PostgreSQL extensions, providing idiomatic and safe bindings to Postgres internals. It includes car… | 96 | 4767 | active |
| graph-gophers/graphql-go A GraphQL server library for Go focused on ease of use, with schema parsing, type-checked resolvers, and an HTTP relay handler. It supports… | 93 | 4759 | active |
| easy-swoole/easyswoole EasySwoole is a high-performance, persistent-memory PHP framework built on the Swoole extension, designed for building coroutine-based APIs… | 70 | 4758 | active |
| tokio-rs/prost prost is a Protocol Buffers implementation for Rust that generates simple, idiomatic Rust types from proto2 and proto3 files. It supports s… | 89 | 4749 | stable |
| zlt2000/microservices-platform An enterprise-grade, front-end/back-end separated microservices platform built on Spring Boot 3.x, Spring Cloud, and Spring Cloud Alibaba. … | 31 | 4749 | active |
| webonyx/graphql-php A feature-complete PHP implementation of the GraphQL specification, based on the JavaScript reference implementation. It provides type syst… | 95 | 4718 | stable |
| uber-go/ratelimit A Go library implementing a blocking leaky-bucket rate limiter. It refills the bucket based on elapsed time between requests, and Take() sl… | 32 | 4713 | stable |