domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| urfave/cli urfave/cli is a declarative Go library for building command line applications with commands, subcommands, flags, and shell completion. It h… | 99 | 24204 | stable |
| Delgan/loguru Loguru is a Python library that provides simple, zero-boilerplate logging with a single import. It adds conveniences like file rotation, re… | 67 | 24085 | stable |
| tursodatabase/turso Turso is an in-process SQL database written in Rust that is compatible with SQLite and experimentally supports a Postgres frontend. Like SQ… | 93 | 24027 | active |
| air-verse/air Air is a live-reloading command line utility for developing Go applications that watches files and automatically rebuilds and restarts the … | 96 | 23923 | active |
| validatorjs/validator.js A JavaScript library of string validators and sanitizers for Node.js and browsers. It provides dozens of checks like isEmail, isURL, and is… | 86 | 23737 | stable |
| kriasoft/react-starter-kit A production-ready monorepo starter kit for building full-stack SaaS web applications with React 19, tRPC, Better Auth, Stripe billing, and… | 67 | 23669 | active |
| livewire/livewire Livewire is a full-stack framework for Laravel that lets developers build dynamic, reactive UI components entirely in PHP without writing s… | 95 | 23569 | stable |
| Passport Passport is authentication middleware for Node.js and Express that authenticates requests through a modular system of 500+ strategy plugins… | 32 | 23534 | stable |
| guzzle/guzzle Guzzle is an extensible PHP HTTP client for sending HTTP requests and integrating with web services. It supports synchronous and asynchrono… | 99 | 23457 | stable |
| valyala/fasthttp A high-performance HTTP server and client library for Go, optimized for zero memory allocations in hot paths and up to 10x faster than the … | 97 | 23452 | stable |
| Saleor Saleor is an open-source, headless e-commerce platform exposing a GraphQL-only API for catalog, checkout, orders, payments, and promotions.… | 95 | 23266 | stable |
| Sentinel Sentinel is a flow control and reliability library for microservices, providing rate limiting, traffic shaping, concurrency limiting, circu… | 76 | 23142 | stable |
| phoenixframework/phoenix Phoenix is a productive, full-featured web framework for Elixir that emphasizes developer productivity and real-time features. It supports … | 99 | 23125 | stable |
| micro/go-micro Go Micro is a Go framework and CLI that combines an AI agent harness with a microservices framework, giving agents tools, memory, guardrail… | 95 | 23043 | active |
| Sails.js Sails.js is a realtime MVC web framework for Node.js, built on Express and Socket.io, designed to resemble Ruby on Rails. It bundles the Wa… | 61 | 22804 | stable |
| websockets/ws ws is a fast, thoroughly tested WebSocket client and server library for Node.js implementing RFC 6455. It passes the extensive Autobahn tes… | 97 | 22793 | stable |
| go-chi/chi chi is a lightweight, idiomatic HTTP router for Go that is 100% compatible with net/http and built around the context package. It supports … | 94 | 22737 | stable |
| temporalio/temporal Temporal is an open-source durable execution platform that runs application logic as resilient Workflows, automatically handling failures, … | 97 | 22549 | stable |
| PHPMailer/PHPMailer PHPMailer is a full-featured PHP library for creating and sending email, with integrated SMTP support, authentication, attachments, HTML/mu… | 89 | 22280 | stable |
| redis/go-redis go-redis is the official Redis client library for the Go programming language, providing a straightforward interface for interacting with R… | 98 | 22220 | stable |
| tornadoweb/tornado Tornado is a Python web framework and asynchronous networking library originally developed at FriendFeed. It uses non-blocking network I/O … | 77 | 22181 | stable |
| ELAdmin ELADMIN is a front-end/back-end separated admin management system built on Spring Boot 2.7.18, JPA, Spring Security, JWT, Redis, and Vue. I… | 59 | 21918 | active |
| postgres/postgres PostgreSQL is a mature, open source object-relational database management system supporting an extended subset of the SQL standard, includi… | 77 | 21906 | stable |
| pugjs/pug Pug is a high-performance, feature-rich template engine for Node.js and browsers, heavily influenced by Haml, that compiles indentation-bas… | 78 | 21852 | stable |
| gorilla/mux gorilla/mux is a powerful HTTP request router and URL matcher for Go web servers, implementing the standard http.Handler interface. It supp… | 23 | 21838 | stable |
| dgraph-io/dgraph Dgraph is a distributed, horizontally scalable graph database with native GraphQL support, written in Go. It provides ACID transactions, co… | 99 | 21780 | stable |
| SBoudrias/Inquirer.js Inquirer.js is a collection of common interactive command line user interfaces for Node.js, providing prompts like input, select, checkbox,… | 95 | 21615 | stable |
| Parse Server Parse Server is an open-source Backend-as-a-Service (BaaS) that runs on Node.js with the Express framework, providing REST and GraphQL APIs… | 95 | 21411 | active |
| Seldaek/monolog Monolog is the de facto standard logging library for PHP, implementing the PSR-3 logger interface. It sends logs to files, sockets, databas… | 87 | 21401 | stable |
| valeriansaliou/sonic Sonic is a fast, lightweight, schema-less search backend written in Rust that ingests search texts and identifier tuples, returning matchin… | 99 | 21321 | stable |
| leptos-rs/leptos Leptos is a full-stack, isomorphic Rust web framework that uses fine-grained reactive signals to build declarative user interfaces compiled… | 96 | 21244 | active |
| brettwooldridge/HikariCP HikariCP is a lightweight, high-performance JDBC connection pool for Java applications. It is a production-ready, 'zero-overhead' library w… | 71 | 21192 | stable |
| hapijs/joi Joi is a schema description language and data validator for JavaScript, allowing developers to define validation rules for objects and valu… | 76 | 21180 | stable |
| gofr-dev/gofr GoFr is an opinionated Go framework for accelerated microservice development, with built-in support for databases, pub/sub, gRPC, and out-o… | 89 | 20968 | active |
| sveltejs/kit SvelteKit is the official application framework for building web apps with the Svelte UI library. It provides file-based routing, configura… | 95 | 20760 | stable |
| motdotla/dotenv A zero-dependency Node.js module that loads environment variables from a .env file into process.env, following the Twelve-Factor App config… | 75 | 20525 | stable |
| jasontaylordev/CleanArchitecture A .NET solution template that scaffolds production-ready ASP.NET Core applications following Clean Architecture principles, with optional A… | 91 | 20491 | active |
| mybatis/mybatis-3 MyBatis is a first-class SQL mapping persistence framework for Java that couples objects with SQL statements or stored procedures via XML d… | 79 | 20439 | stable |
| apache/casbin Apache Casbin is an open-source authorization library that enforces access control using models such as ACL, RBAC, ABAC, ReBAC, and MAC, de… | 98 | 20349 | stable |
| graphql/graphql-js GraphQL.js is the JavaScript/TypeScript reference implementation of the GraphQL query language for APIs. It provides tools for building Gra… | 96 | 20343 | stable |
| knex/knex Knex.js is a batteries-included SQL query builder for JavaScript supporting PostgreSQL, MySQL/MariaDB, CockroachDB, MSSQL, SQLite3, Oracle,… | 92 | 20342 | stable |
| linlinjava/litemall litemall is an open-source small e-commerce mall system combining a Spring Boot backend, a Vue admin dashboard, a WeChat mini-program store… | 67 | 20337 | active |
| go-playground/validator A Go library for validating structs and individual fields using struct tags, with support for cross-field, cross-struct, and nested map/sli… | 90 | 20132 | stable |
| grpc-ecosystem/grpc-gateway A protoc plugin that reads protobuf service definitions with google.api.http annotations and generates a reverse-proxy server translating R… | 98 | 19991 | stable |
| fruitcake/laravel-debugbar A Laravel package that integrates PHP Debug Bar, rendering an in-browser toolbar with collectors for queries, routes, views, events, logs, … | 99 | 19280 | active |
| AdonisJS AdonisJS is a batteries-included, TypeScript-first fullstack MVC web framework for Node.js. It ships with an ORM (Lucid), authentication, v… | 98 | 19101 | stable |
| dromara/Sa-Token Sa-Token is a lightweight, open-source Java authentication and authorization framework covering login authentication, permission checks, di… | 95 | 19005 | stable |
| egg Egg.js is an enterprise-grade web framework for Node.js built on top of Koa, emphasizing convention over configuration and a powerful plugi… | 88 | 18985 | stable |
| elysiajs/elysia Elysia is a TypeScript backend web framework built for Bun, emphasizing end-to-end type safety, schema-driven validation, and ergonomic dev… | 94 | 18975 | active |
| µWebSockets µWebSockets is a C/C++ web server library providing highly optimized HTTP and WebSocket handling with a built-in URL router and pub/sub fea… | 96 | 18966 | stable |
| swoole/swoole-src Swoole is an event-driven, asynchronous, coroutine-based concurrency library implemented as a PHP extension in C++. It enables PHP to run h… | 96 | 18913 | active |
| golang-migrate/migrate A database migration tool written in Go, usable both as a CLI and as an importable Go library. It reads migration files from various source… | 73 | 18854 | active |
| wasp-lang/wasp Wasp is a batteries-included full-stack web framework for building JS/TS apps with React, Node.js, and Prisma, configured via a declarative… | 98 | 18711 | active |
| sanic-org/sanic Sanic is a fast, asynchronous Python web framework and web server supporting async/await syntax and ASGI compliance. It bundles a productio… | 84 | 18645 | stable |
| iii-hq/iii iii is a Rust-based runtime engine that composes backend services from three primitives (Worker, Trigger, Function), letting polyglot worke… | 83 | 18629 | active |
| ardalis/CleanArchitecture A NuGet-distributed ASP.NET Core solution template implementing Clean Architecture (also known as hexagonal, ports-and-adapters, or onion a… | 83 | 18439 | active |
| Tencent/APIJSON APIJSON is a Tencent open-source Java ORM and JSON-based API protocol that auto-generates CRUD APIs and documentation without backend codin… | 98 | 18402 | active |
| DapperLib/Dapper Dapper is a lightweight micro-ORM for .NET that maps ADO.NET query results to strongly-typed objects. It lets developers execute raw SQL an… | 82 | 18373 | stable |
| fastapi/sqlmodel SQLModel is a Python library for interacting with SQL databases using Python objects, built as a thin layer on top of SQLAlchemy and Pydant… | 96 | 18285 | stable |
| sqlc-dev/sqlc sqlc is a command-line SQL compiler that generates fully type-safe, idiomatic code from SQL queries for languages like Go, Kotlin, Python, … | 84 | 18202 | stable |
| auth0/node-jsonwebtoken A Node.js library implementing JSON Web Tokens (JWT) per RFC 7519, supporting signing and verification with HMAC, RSA, and ECDSA algorithms… | 72 | 18189 | stable |
| bcit-ci/CodeIgniter CodeIgniter is an open-source PHP framework with a very small footprint for building full-featured web applications, encouraging but not en… | 32 | 18165 | active |
| Pino Pino is a very fast, low-overhead JSON logger for Node.js (and Bare/Pear runtimes), with child loggers, redaction, and worker-thread transp… | 89 | 18156 | stable |
| zincsearch/zincsearch ZincSearch is a lightweight full-text search engine written in Go, built on the bluge indexing library, designed as a resource-efficient al… | 10 | 17889 | active |
| ben-manes/caffeine Caffeine is a high-performance, near-optimal in-memory caching library for Java with a Guava-inspired API. It supports size-based eviction,… | 85 | 17834 | stable |
| jmoiron/sqlx sqlx is a Go library providing general-purpose extensions to the standard database/sql package. It adds struct/map scanning, named paramete… | 23 | 17724 | stable |
| windmill-labs/windmill Windmill is an open-source, self-hostable developer platform that turns scripts in Python, TypeScript, Go, Bash, SQL and other languages in… | 95 | 17687 | active |
| nodemailer/nodemailer Nodemailer is the most popular email sending library for Node.js, supporting SMTP, Sendmail, Amazon SES, and custom transports. It handles … | 97 | 17659 | stable |
| redwoodjs/graphql RedwoodJS GraphQL is the GraphQL-focused full-stack web framework from the Redwood project, integrating React, Apollo, Prisma, and GraphQL … | 82 | 17606 | active |
| apache/brpc Apache bRPC ("better RPC") is an industrial-grade C++ RPC framework for building reliable, high-performance services and clients. It suppor… | 90 | 17594 | stable |
| redis/node-redis Node-Redis is the official, modern, high-performance Redis client for Node.js, written in TypeScript. It ships as a monorepo of packages co… | 98 | 17572 | stable |
| ory/hydra Ory Hydra is an OpenID Certified OAuth 2.0 and OpenID Connect provider server written in Go, handling token issuance, client management, an… | 78 | 17498 | stable |
| joewalnes/websocketd websocketd is a small command-line tool written in Go that wraps any executable program reading STDIN and writing STDOUT, exposing it as a … | 67 | 17466 | stable |
| MyBatis-Plus MyBatis-Plus is an enhancement toolkit for the MyBatis ORM framework on the JVM, providing out-of-the-box CRUD interfaces, conditional quer… | 91 | 17462 | stable |
| transact-rs/sqlx SQLx is an async, pure Rust SQL toolkit providing database drivers for PostgreSQL, MySQL, MariaDB, and SQLite. It features compile-time che… | 76 | 17429 | stable |
| ent/ent Ent is an entity framework (ORM) for Go that lets developers define database schemas as Go code and generates statically typed, explicit AP… | 79 | 17173 | stable |
| julienschmidt/httprouter HttpRouter is a lightweight, high-performance HTTP request router (mux) for Go that supports path variables and method matching using a com… | 23 | 17126 | stable |
| yhirose/cpp-httplib A C++11 single-file header-only HTTP/HTTPS server and client library supporting HTTP/1.1 with SSL/TLS via OpenSSL, MbedTLS, or wolfSSL. It … | 95 | 16780 | active |
| apple/foundationdb FoundationDB is an open-source distributed database from Apple that organizes data as an ordered key-value store with full ACID transaction… | 88 | 16647 | stable |
| openimsdk/open-im-server OpenIM Server is an open-source instant messaging backend written in Go that powers in-app chat, group messaging, and voice/video calling. … | 87 | 16616 | stable |
| aio-libs/aiohttp aiohttp is an asynchronous HTTP client and server framework for Python built on asyncio. It supports client and server WebSockets out of th… | 97 | 16526 | stable |
| hyperium/hyper hyper is a fast, correct, low-level HTTP implementation for Rust providing both client and server APIs with HTTP/1 and HTTP/2 support. It i… | 93 | 16296 | stable |
| triggerdotdev/trigger.dev Trigger.dev is an open-source TypeScript platform for building and deploying durable background jobs, long-running AI workflows, and AI age… | 94 | 16135 | active |
| amplication/amplication Amplication is an open-source platform that generates production-ready backend services (NestJS/Node.js, with .NET support) from data model… | 87 | 16014 | active |
| Quarkus Quarkus is a cloud-native Java framework optimized for containers and Kubernetes, offering fast startup, low memory footprint, and GraalVM … | 95 | 15848 | stable |
| dgraph-io/badger BadgerDB is an embeddable, persistent, and fast key-value database written in pure Go, serving as the storage engine for Dgraph. It is desi… | 94 | 15761 | stable |
| scylladb/scylladb ScyllaDB is an open-source, high-performance NoSQL wide-column data store built in C++ on the shared-nothing Seastar framework. It is API-c… | 77 | 15723 | stable |
| spree/spree Spree Commerce is an open-source headless eCommerce platform written in Ruby, providing a complete REST API, TypeScript SDK, admin dashboar… | 98 | 15647 | stable |
| Effect-TS/effect Effect is a TypeScript library and ecosystem for building production-grade, type-safe applications, centered on the Effect type that encode… | 94 | 15514 | stable |
| apache/pulsar Apache Pulsar is a cloud-native, distributed pub-sub messaging and streaming platform originally developed at Yahoo and now a top-level Apa… | 98 | 15315 | stable |
| supertokens/supertokens-core SuperTokens Core is the open-source HTTP service at the heart of the SuperTokens authentication platform, handling core auth logic and data… | 94 | 15282 | active |
| go-sql-driver/mysql Go-MySQL-Driver is a lightweight, pure-Go MySQL driver for Go's database/sql package, also compatible with MariaDB. It supports TCP/IPv4, T… | 88 | 15273 | stable |
| feathersjs/feathers Feathers is a full-stack framework for building web APIs and real-time applications in TypeScript or JavaScript. It provides a service-orie… | 98 | 15267 | stable |
| barryvdh/laravel-ide-helper A Laravel package that generates helper files and PHPDoc annotations so IDEs can provide accurate autocompletion for facades, Eloquent mode… | 90 | 14956 | stable |
| sindresorhus/got Got is a human-friendly and powerful HTTP request library for Node.js, offering JSON mode, retries, pagination, hooks, and stream support. … | 94 | 14937 | stable |
| hapijs/hapi @hapi/hapi is a mature Node.js web framework for building HTTP servers and APIs with secure defaults, a rich plugin system, and zero extern… | 67 | 14793 | stable |
| dotnet/efcore Entity Framework Core (EF Core) is Microsoft's modern object-database mapper for .NET, supporting LINQ queries, change tracking, updates, a… | 98 | 14781 | stable |
| eclipse-vertx/vert.x Eclipse Vert.x is a polyglot toolkit for building reactive, non-blocking, asynchronous applications on the JVM, built on top of Netty. It p… | 77 | 14686 | stable |
| ktorio/ktor Ktor is an asynchronous web framework for Kotlin, built by JetBrains on top of coroutines, for creating servers, microservices, and multipl… | 98 | 14504 | stable |
| panjf2000/ants ants is a high-performance goroutine pool library for Go that manages and recycles a massive number of goroutines with a fixed-capacity poo… | 76 | 14492 | stable |