domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| share/sharedb ShareDB is a realtime database backend based on Operational Transformation (OT) for synchronizing JSON documents across clients. It support… | 95 | 6535 | stable |
| open-telemetry/opentelemetry-go The official Go implementation of the OpenTelemetry API and SDK for instrumenting applications to generate traces, metrics, and logs. It ex… | 95 | 6526 | stable |
| spinframework/spin Spin is an open-source framework and CLI for building, deploying, and running event-driven serverless microservices as WebAssembly componen… | 95 | 6505 | active |
| larastan/larastan Larastan is a PHPStan extension that adds code analysis to Laravel applications, understanding Laravel's runtime magic to find bugs before … | 95 | 6493 | active |
| elixir-ecto/ecto Ecto is a toolkit for data mapping and language-integrated queries in Elixir, providing schemas, changesets, and a composable query DSL. It… | 67 | 6487 | stable |
| hibernate/hibernate-orm Hibernate ORM is the de facto object-relational mapping library for Java, implementing the Jakarta Persistence (JPA) specification to map d… | 95 | 6470 | stable |
| lldap/lldap lldap is a lightweight LDAP authentication server written in Rust, providing an opinionated, simplified LDAP interface for user management.… | 81 | 6464 | active |
| gobwas/ws A tiny, fast WebSocket library for Go implementing RFC 6455 with a zero-copy, low-level API plus higher-level helpers in the wsutil package… | 53 | 6464 | stable |
| gevent/gevent gevent is a coroutine-based concurrency library for Python built on greenlets, providing a high-level synchronous API on top of libev or li… | 66 | 6447 | stable |
| node-config/node-config node-config is a Node.js library that organizes hierarchical application configurations across deployment environments like development, QA… | 98 | 6428 | stable |
| micronaut-projects/micronaut-core Micronaut is a modern, JVM-based full-stack framework for building modular, easily testable applications and microservices in Java, Kotlin,… | 95 | 6421 | stable |
| hanami/hanami Hanami is a full-stack, modular Ruby web framework composed of small single-purpose libraries (router, actions, views, database, assets) ti… | 99 | 6407 | active |
| moleculerjs/moleculer Moleculer is a fast, progressive microservices framework for Node.js that helps build efficient, reliable, and scalable distributed service… | 86 | 6376 | stable |
| expressjs/session express-session is official session middleware for the Express web framework that manages user sessions via cookies holding only a session … | 75 | 6358 | stable |
| django/channels Django Channels is an official Django project that adds asynchronous, event-driven capabilities such as WebSocket and long-poll HTTP suppor… | 75 | 6352 | stable |
| jeequan/jeepay Jeepay is an open-source aggregated payment system for internet businesses, supporting normal merchant mode, multi-channel service-provider… | 84 | 6344 | active |
| lightbend/config Lightbend Config (formerly Typesafe Config) is a dependency-free Java library for loading application configuration in JVM languages. It su… | 87 | 6313 | stable |
| apache/incubator-kie Apache KIE (Knowledge Is Everything) is an umbrella project for business automation technologies on the JVM, including the Drools rule engi… | 82 | 6306 | active |
| caarlos0/env A simple, zero-dependency Go library that parses environment variables into struct fields using struct tags. It supports built-in types, po… | 87 | 6299 | stable |
| express-validator/express-validator express-validator is an Express.js middleware wrapping the validator.js library for request validation and sanitization. It lets you declar… | 82 | 6236 | stable |
| norman/friendly_id FriendlyId is a Ruby gem that adds slugging and permalink support to ActiveRecord models in Rails applications. It lets developers use huma… | 82 | 6225 | stable |
| graphql-java/graphql-java GraphQL Java is the standard JVM implementation of the GraphQL specification, providing schema parsing, schema generation, and query execut… | 95 | 6223 | stable |
| asaskevich/govalidator govalidator is a Go package providing validators and sanitizers for strings, numerics, slices, and structs, inspired by validator.js. It su… | 67 | 6205 | stable |
| nWidart/laravel-modules A Laravel package for organizing large applications into self-contained modules, each with its own routes, controllers, models, views, migr… | 81 | 6203 | active |
| StackExchange/StackExchange.Redis StackExchange.Redis is a high-performance .NET client library for communicating with Redis and Redis-compatible servers (Valkey, Garnet, El… | 99 | 6196 | active |
| expressjs/cors A Node.js middleware for Express and Connect that sets CORS response headers, telling browsers which origins may read responses from your s… | 70 | 6191 | stable |
| jinzhu/copier A Go library that copies values between structs, slices, and maps using reflection and matching field names. It supports struct tags to enf… | 65 | 6175 | stable |
| spatie/laravel-medialibrary A Laravel package that associates files of any type with Eloquent models via a fluent API. It handles uploads, stores media on any Laravel … | 98 | 6159 | stable |
| contribsys/faktory Faktory is a language-agnostic background job server that stores jobs as JSON in queues for workers in any programming language to fetch an… | 87 | 6141 | active |
| ldcsaa/HP-Socket HP-Socket is a high-performance network communication component library for C/C++ providing TCP, UDP, HTTP/HTTPS, and WebSocket server, cli… | 70 | 6140 | active |
| gz-yami/mall4cloud Mall4cloud is an open-source (AGPLv3) microservices-based B2B2C e-commerce mall system built on Spring Boot 4, Spring Cloud, Nacos, Seata, … | 80 | 6137 | active |
| OpenAtomFoundation/pikiwidb PikiwiDB (Pika) is a Redis-compatible, persistent key-value database built on RocksDB, developed by Qihoo's infrastructure team. It speaks … | 91 | 6123 | active |
| graffle-js/graffle Graffle is a minimal, extensible, type-safe GraphQL client for JavaScript and TypeScript, formerly known as graphql-request. It supports mu… | 77 | 6116 | active |
| NextAuth.js Auth.js (formerly NextAuth.js) is an open-source, runtime-agnostic authentication library built on standard Web APIs, with deep integration… | 90 | 28345 | maintenance |
| goadesign/goa Goa is a design-first framework for building APIs and microservices in Go. You define your API in a Go-based DSL and it generates server co… | 99 | 6089 | active |
| rivet-dev/actors Rivet Actors is an open-source framework (RivetKit) providing long-running, stateful actor processes as the primitive for AI agents, collab… | 94 | 6088 | active |
| Knative Knative is a Kubernetes-based platform providing middleware components for building, deploying, and managing serverless workloads, comprisi… | 98 | 6086 | stable |
| hashicorp/go-plugin HashiCorp's Go plugin system that runs plugins as subprocesses communicating over RPC/gRPC, letting hosts consume plugins as natural Go int… | 82 | 6074 | stable |
| ZhongFuCheng3y/austin Austin is a unified message push platform written in Java (Spring Boot) that sends notifications across channels such as email, SMS, WeChat… | 71 | 6072 | active |
| pallets-eco/flask-admin Flask-Admin is a batteries-included Flask extension for auto-generating administrative interfaces with CRUD views for your models. It is in… | 93 | 6071 | active |
| SwiftyBeaver/SwiftyBeaver SwiftyBeaver is a lightweight, colorful logging framework for Swift 3, 4, and 5, supporting console, file, and cloud destinations. It works… | 32 | 6057 | active |
| doctrine/event-manager The Doctrine Event Manager is a small PHP library providing a simple event system for subscribing to and dispatching events. It underpins e… | 83 | 6045 | stable |
| tidwall/evio evio is a fast, small event-loop networking framework for Go that makes direct epoll and kqueue syscalls instead of using the standard net … | 70 | 6040 | stable |
| thoughtbot/administrate Administrate is a Rails engine (gem) that generates flexible, customizable admin dashboards for Rails applications. It provides clean CRUD … | 72 | 6031 | stable |
| Respect/Validation Respect/Validation is a standalone PHP validation library offering a fluent interface with over 150 fully tested validators. It simplifies … | 97 | 6028 | active |
| prometheus/client_golang The official Go client library for Prometheus, providing APIs for instrumenting application code with metrics and for querying the Promethe… | 93 | 6020 | stable |
| coleifer/huey Huey is a lightweight Python task queue supporting Redis, Postgres, SQLite, file-system, or in-memory storage. It offers scheduled, periodi… | 98 | 6012 | active |
| opengoofy/hippo4j Hippo4j is a Java framework for managing, observing, and dynamically tuning thread pools at runtime without code changes. It provides a con… | 55 | 6001 | active |
| FastEndpoints/FastEndpoints FastEndpoints is a lightweight REST API development framework for ASP.NET 8 and newer that serves as a developer-friendly alternative to Mi… | 95 | 5999 | active |
| microsoft/tsyringe TSyringe is a lightweight dependency injection container for TypeScript and JavaScript supporting constructor injection via decorators. It … | 51 | 5993 | stable |
| graphql-dotnet/graphql-dotnet A .NET implementation of the GraphQL query language, providing a lexer/parser, schema definition, and execution engine for building GraphQL… | 99 | 5992 | active |
| twisted/twisted Twisted is an event-driven networking engine and framework for Python, providing an asynchronous reactor plus implementations of many inter… | 82 | 5977 | stable |
| graphql-rust/juniper Juniper is a GraphQL server library for Rust that enables building type-safe, fast GraphQL servers. It provides schema declaration and reso… | 86 | 5971 | active |
| codeigniter4/CodeIgniter4 CodeIgniter 4 is a lightweight, full-stack PHP web framework with a small footprint, MVC architecture, and built-in security features like … | 93 | 5968 | active |
| itsgoingd/clockwork Clockwork is a PHP development tool that collects runtime data from your application - request data, performance metrics, logs, database qu… | 66 | 5945 | active |
| go-kit/kit Go kit is a collection of Go packages that provide a comprehensive toolkit for building robust, maintainable microservices (or elegant mono… | 23 | 27422 | maintenance |
| danielgerlag/workflow-core Workflow Core is a lightweight, embeddable workflow engine for .NET Standard that orchestrates long-running processes with state tracking a… | 88 | 5917 | stable |
| solidjs/solid-start SolidStart is the official meta-framework for building full-stack applications with SolidJS, providing file-system routing, SSR, API routes… | 99 | 5916 | active |
| guardian/frontend The backend Scala application powering theguardian.com, built as a set of Play Framework 2 services. It fetches content from the Guardian's… | 77 | 5899 | active |
| spatie/laravel-activitylog A Laravel package that provides easy-to-use functions to log user activity in a Laravel application, storing everything in an activity_log … | 98 | 5893 | stable |
| weibocom/motan Motan is a cross-language remote procedure call (RPC) framework for rapidly building high-performance distributed services, originally deve… | 52 | 5873 | active |
| kurrent-io/KurrentDB KurrentDB (formerly EventStoreDB) is an event-native database designed for event-driven architectures, storing data as immutable event stre… | 99 | 5848 | active |
| rethinkdb/rethinkdb RethinkDB is an open-source, distributed NoSQL database that stores schemaless JSON documents and pushes updated query results to applicati… | 56 | 26994 | maintenance |
| log4js-node/log4js-node log4js-node is a Node.js logging library ported from the log4js framework, offering configurable log levels, categories, layouts, and multi… | 75 | 5828 | active |
| DotNetNext/SqlSugar SqlSugar is an open-source, multi-database ORM framework for .NET (C# and VB.NET), supporting MySQL, SQL Server, PostgreSQL, SQLite, Oracle… | 70 | 5827 | active |
| vikejs/vike Vike is a Vite-based meta-framework for building server-side rendered (SSR), statically generated (SSG), or SPA web applications with React… | 95 | 5817 | active |
| redis/lettuce Lettuce is a scalable, thread-safe Redis client for Java built on Netty, supporting synchronous, asynchronous, and reactive APIs. It provid… | 99 | 5776 | stable |
| inngest/inngest Inngest is an event-driven durable execution platform for running stateful step functions and AI workflows on serverless, servers, or the e… | 95 | 5766 | active |
| rack/rack-attack Rack::Attack is Rack middleware for protecting Ruby and Rails web applications from abusive clients. It lets you define rules to allow, blo… | 68 | 5763 | stable |
| changmingxie/tcc-transaction tcc-transaction is a Java framework implementing TCC (Try-Confirm-Cancel) distributed transactions for microservice architectures. It coord… | 24 | 5759 | stable |
| ChilliCream/graphql-platform ChilliCream GraphQL Platform is a suite of open-source .NET tools for building GraphQL APIs, including the Hot Chocolate GraphQL server, th… | 98 | 5753 | active |
| Nepxion Discovery Nepxion Discovery is a cloud-native microservice governance framework for Spring Cloud and Spring Cloud Alibaba. It provides blue-green and… | 49 | 5752 | active |
| dromara/lamp-cloud lamp-cloud is a Java-based microservices rapid development platform built on Spring Boot and Spring Cloud, focused on multi-tenant (SaaS) a… | 71 | 5748 | active |
| laravel/socialite Laravel Socialite is a first-party Laravel package providing a fluent interface for OAuth 1 and OAuth 2 social authentication. It handles t… | 99 | 5745 | stable |
| letsencrypt/boulder Boulder is the Go implementation of an ACME-based certificate authority that powers Let's Encrypt. It automates domain validation and issua… | 95 | 5742 | active |
| python-websockets/websockets websockets is a Python library for building WebSocket servers and clients, with a focus on correctness, simplicity, robustness, and perform… | 99 | 5714 | stable |
| killbill/killbill Kill Bill is an open-source subscription billing and payments platform that manages subscriptions, invoicing, payment processing, and dunni… | 94 | 5704 | stable |
| CanCanCommunity/cancancan CanCanCan is an authorization library for Ruby and Ruby on Rails that restricts which resources a user can access. Permissions are defined … | 66 | 5686 | stable |
| openfga/openfga OpenFGA is a high-performance, open-source fine-grained authorization and permission engine inspired by Google's Zanzibar, owned by the CNC… | 99 | 5661 | stable |
| soketi/soketi Soketi is an open-source, Pusher-compatible WebSockets server built on uWebSockets.js for Node.js. It enables self-hosted real-time event b… | 27 | 5633 | active |
| tortoise/tortoise-orm Tortoise ORM is an asyncio-native Object Relational Mapper for Python with a Django-inspired API, supporting SQLite, PostgreSQL, MySQL, SQL… | 98 | 5613 | active |
| haraka/Haraka Haraka is a fast, highly extensible, event-driven SMTP server written in Node.js with a modular plugin architecture. It is widely deployed … | 93 | 5613 | stable |
| sirupsen/logrus Logrus is a structured, pluggable logging library for Go, fully API-compatible with the standard library logger. It supports JSON, logfmt, … | 99 | 25750 | maintenance |
| riverqueue/river River is a Go library providing a fast, reliable background job queue backed by PostgreSQL or SQLite, with transactional enqueueing so jobs… | 94 | 5604 | active |
| lukeed/polka Polka is an extremely minimal, high-performance Node.js web server library that serves as a faster, lighter alternative to Express.js. It p… | 41 | 5590 | stable |
| caddyserver/certmagic CertMagic is a Go library that provides fully-managed automatic HTTPS, handling TLS certificate issuance, renewal, and OCSP stapling via AC… | 89 | 5588 | stable |
| adamchainz/django-cors-headers A Django app that adds Cross-Origin Resource Sharing (CORS) headers to HTTP responses via middleware. It allows in-browser requests to a Dj… | 76 | 5587 | stable |
| trailbaseio/trailbase TrailBase is an open-source, single-executable Firebase alternative built on Rust, SQLite (with experimental Postgres support), and Wasmtim… | 85 | 5571 | active |
| emmett-framework/granian Granian is a Rust-based HTTP server for Python applications built on Hyper and Tokio, serving ASGI, RSGI, and WSGI apps. It supports HTTP/1… | 99 | 5570 | active |
| doorkeeper-gem/doorkeeper Doorkeeper is a Ruby gem (Rails engine) that adds OAuth 2.0 provider functionality to Ruby on Rails or Grape applications. It implements th… | 94 | 5521 | stable |
| middleapi/orpc oRPC is a TypeScript framework for building end-to-end typesafe APIs without code generation, combining RPC-style typed clients with first-… | 84 | 5510 | active |
| miguelgrinberg/Flask-SocketIO A Python library that adds Socket.IO (WebSocket with fallbacks) support to Flask applications, enabling bidirectional real-time event-based… | 83 | 5509 | stable |
| expressjs/body-parser Node.js body parsing middleware for Express and Connect that parses incoming HTTP request bodies and populates req.body. It provides JSON, … | 93 | 5500 | stable |
| ServiceStack ServiceStack is a full-featured, message-based web services framework for .NET that lets you declare typed Request DTOs once and generate A… | 99 | 5498 | active |
| Swashbuckle Swashbuckle.AspNetCore is a library that generates OpenAPI (Swagger) documents for ASP.NET Core APIs directly from code, with an embedded S… | 96 | 5496 | stable |
| Proto.Actor Proto.Actor is an ultra-fast, cross-platform actor framework for Go, C#/.NET, and Java/Kotlin for building distributed, message-driven syst… | 57 | 5492 | active |
| natefinch/lumberjack Lumberjack is a Go package for writing logs to rolling files, handling rotation by size, age, and backup count. It is a pluggable io.Writer… | 23 | 5462 | stable |
| pgdogdev/pgdog PgDog is a PostgreSQL proxy written in Rust that combines connection pooling, query load balancing, and database sharding in a single binar… | 87 | 5446 | active |
| rmosolgo/graphql-ruby graphql-ruby is a Ruby implementation of the GraphQL specification for building GraphQL server APIs in Ruby and Rails applications. It prov… | 67 | 5444 | stable |
| ardatan/graphql-tools GraphQL Tools is a TypeScript/JavaScript utility library for building, manipulating, mocking, and stitching GraphQL schemas using an SDL-fi… | 93 | 5432 | active |