domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| goccy/go-json goccy/go- is a fast JSON encoder/decoder library for Go that is a drop-in replacement for the standard encoding/ package. It maintains full… | 77 | 3705 | active |
| fastify/fast-json-stringify A Node.js library that generates fast JSON serialization functions from JSON Schema Draft 7 definitions, significantly faster than native J… | 92 | 3703 | stable |
| Crinsane/LaravelShoppingcart A simple shopping cart implementation for the Laravel PHP framework, installable via Composer. It provides cart item management with quanti… | 23 | 3702 | stable |
| lunarphp/lunar Lunar is an open-source headless e-commerce package for Laravel, providing product catalogs, carts, orders, payments, discounts, and taxati… | 99 | 3700 | active |
| martinothamar/Mediator A high-performance .NET implementation of the Mediator pattern built with C# source generators, offering a MediatR-like API. It generates D… | 68 | 3697 | stable |
| reactor/reactor The Reactor Bill of Materials (BOM) is a curated set of compatible versions for Project Reactor modules such as reactor-core, reactor-netty… | 99 | 3693 | stable |
| zappa/Zappa Zappa is a Python tool for deploying WSGI applications (Flask, Django, Pyramid, Bottle) as serverless web services on AWS Lambda and API Ga… | 87 | 3690 | active |
| jwt/ruby-jwt A Ruby gem implementing the RFC 7519 OAuth JSON Web Token (JWT) standard, supporting encoding and decoding of signed tokens with HMAC, RSAS… | 92 | 3687 | stable |
| sony/gobreaker gobreaker is a Go library implementing the Circuit Breaker pattern as a generic, configurable state machine. It prevents sending requests l… | 62 | 3687 | stable |
| async-graphql/async-graphql A high-performance, fully specification-compliant GraphQL server library for Rust built on async/await. It integrates with web frameworks l… | 67 | 3684 | stable |
| maxcountryman/flask-login Flask-Login is a Flask extension that provides user session management, handling login, logout, and persistent session tracking. It is stor… | 40 | 3675 | stable |
| networknt/light-4j Light-4J is a fast, lightweight, cloud-native microservices framework for Java built on the Undertow HTTP core. It offers a small memory fo… | 94 | 3671 | active |
| mikel/mail Mail is a pure Ruby library for generating, parsing, and sending/receiving email messages in a simple, Ruby-esque way. It proxies network a… | 81 | 3671 | stable |
| aws/aws-sdk-js-v3 The official modular AWS SDK for JavaScript (v3), offering TypeScript-first client packages for each AWS service with a configurable middle… | 95 | 3667 | stable |
| tarantool/tarantool Tarantool is an in-memory computing platform combining a fast NoSQL database with a Lua application server. It stores data in RAM with WAL … | 97 | 3665 | stable |
| pallets/quart Quart is an async Python web application framework that reimplements Flask's API on top of asyncio and ASGI. It supports HTML templating, J… | 79 | 3658 | stable |
| upper/db upper/db is a productive data access layer (DAL) for Go that provides a database-agnostic, ORM-like API for working with SQL and NoSQL data… | 48 | 3657 | active |
| unfoldadmin/django-unfold Unfold is a modern Django admin theme and toolkit built on top of django.contrib.admin, providing a Tailwind CSS-based interface with dark … | 94 | 3642 | active |
| nesquena/rabl RABL (Ruby API Builder Language) is a Ruby templating system for Rails and Padrino that generates JSON, XML, MessagePack, PList, and BSON A… | 66 | 3632 | stable |
| vernemq/vernemq VerneMQ is a high-performance, distributed MQTT message broker built on Erlang/OTP with master-less clustering for horizontal scalability a… | 86 | 3624 | stable |
| scenic-views/scenic Scenic is a Ruby gem that adds methods to ActiveRecord::Migration for creating and managing versioned database views in Rails applications.… | 63 | 3623 | stable |
| go-oauth2/oauth2 A Go library for building OAuth 2.0 authorization servers that issue and manage access tokens. It supports the standard OAuth 2.0 protocol … | 44 | 3622 | stable |
| kennethreitz/responder Responder is a Python HTTP service framework with a Flask/Falcon-style request-response model, built on Starlette and ASGI. It bundles batt… | 91 | 3620 | active |
| yandex/odyssey Odyssey is a production-ready, multi-threaded PostgreSQL connection pooler and request router written in C, built on a custom coroutine eng… | 88 | 3618 | stable |
| AxonIQ/AxonFramework Axon Framework is a JVM framework for building evolutionary, message-driven microservices based on Domain-Driven Design, CQRS, and Event So… | 99 | 3614 | stable |
| apache/logging-log4j2 Apache Log4j 2 is an industrial-grade Java logging framework consisting of a feature-rich logging API (Log4j API) and a high-performance im… | 92 | 3614 | stable |
| redis/ioredis ioredis is a robust, performance-focused, full-featured Redis client for Node.js written in TypeScript. It supports Redis Cluster, Sentinel… | 97 | 15332 | maintenance |
| aws/aws-lambda-rust-runtime A set of Rust crates providing a runtime for running AWS Lambda functions written in Rust, including HTTP support, extensions, and typed ev… | 94 | 3609 | active |
| Netflix/concurrency-limits A Java library that applies TCP congestion control concepts to automatically detect and enforce concurrency limits for services. It uses la… | 58 | 3598 | active |
| ory/oathkeeper Ory Oathkeeper is a cloud native Identity & Access Proxy (IAP) and Access Control Decision API written in Go that authenticates, authorizes… | 80 | 3597 | active |
| dunglas/vulcain Vulcain is a protocol and reference gateway server (a Caddy web server module written in Go) that uses Preload hints, 103 Early Hints, and … | 92 | 3593 | active |
| Arcenox-co/TickerQ TickerQ is a fast, reflection-free background job scheduler for .NET that uses C# source generators to register job handlers at compile tim… | 88 | 3593 | active |
| Shpota/goxygen Goxygen is a command-line project generator that scaffolds full-stack web applications with a Go backend and an Angular, React, or Vue fron… | 23 | 3593 | active |
| animir/node-rate-limiter-flexible A Node.js/Deno library for counting and limiting events with atomic rate limiting across many backends including Redis, Valkey, Memcached, … | 89 | 3581 | stable |
| JosephSilber/bouncer Bouncer is a PHP library for managing roles and abilities on Eloquent models, with support for ownership checks, forbidden abilities, cachi… | 67 | 3579 | stable |
| maticzav/graphql-shield GraphQL Shield is a TypeScript library that lets you build a permission layer for GraphQL servers using an intuitive rule-based API. It wor… | 67 | 3578 | stable |
| nutsdb/nutsdb NutsDB is a simple, fast, embeddable and persistent key/value store written in pure Go. It supports fully serializable transactions and dat… | 74 | 3576 | active |
| google/recaptcha Google's official PHP client library for verifying reCAPTCHA responses server-side, supporting both reCAPTCHA v2 and v3. It wraps the verif… | 84 | 3574 | active |
| TangSengDaoDao/TangSengDaoDaoServer TangSengDaoDao (唐僧叨叨) is an open-source, operationally mature instant messaging server written in Go, providing business-layer IM features … | 61 | 3573 | active |
| roidrage/lograge Lograge is a Ruby gem that replaces Rails' default multi-line request logging with a single, parsable key-value line per request. It is des… | 73 | 3572 | active |
| mileszs/wicked_pdf Wicked PDF is a Ruby on Rails plugin that generates PDF files from HTML views by wrapping the wkhtmltopdf shell utility. Developers write n… | 38 | 3572 | stable |
| devise token auth A Ruby gem providing token-based authentication for Rails JSON APIs, built on Devise and OmniAuth. It supports multi-client sessions, token… | 75 | 3571 | active |
| symfony/framework-bundle FrameworkBundle is the core Symfony package that glues Symfony components into the full-stack Symfony framework, wiring the kernel, depende… | 95 | 3567 | stable |
| vitaly-t/pg-promise pg-promise is a PostgreSQL interface library for Node.js built on top of node-postgres. It provides automatic connection and transaction ma… | 98 | 3554 | stable |
| marcj/deepkit Deepkit is a modular, high-performance TypeScript framework that preserves TypeScript types at runtime via a compiler plugin, enabling vali… | 53 | 3545 | active |
| nicksnyder/go-i18n go-i18n is a Go package and companion CLI for translating Go programs into multiple languages. It supports CLDR plural rules for 200+ langu… | 82 | 3544 | stable |
| go-ini/ini A Go library for reading and writing INI configuration files. It supports multiple data sources, parent-child sections, comments, type conv… | 85 | 3542 | stable |
| web-push-libs/web-push A Node.js library for sending Web Push notifications via the Web Push Protocol, including payload encryption and VAPID key support, with le… | 67 | 3542 | stable |
| doramart/DoraCMS DoraCMS is an open-source, self-hosted content management system built on EggJS 3.x, Vue 3, and TypeScript, organized as a pnpm monorepo wi… | 64 | 3542 | active |
| primus/eventemitter3 EventEmitter3 is a high-performance JavaScript event emitter that is API-compatible with Node.js's built-in EventEmitter while also running… | 71 | 3538 | stable |
| ueberauth/guardian Guardian is a token-based authentication library for Elixir applications, with JSON Web Tokens supported out of the box. It integrates with… | 87 | 3514 | stable |
| ardatan/graphql-mesh GraphQL Mesh is a GraphQL federation framework and gateway that converts non-GraphQL API services (REST/OpenAPI, gRPC, SOAP, OData, Thrift,… | 95 | 3512 | active |
| fluentmigrator/fluentmigrator FluentMigrator is a .NET database migration framework inspired by Ruby on Rails Migrations, letting developers define schema changes as C# … | 88 | 3511 | active |
| flydelabs/flyde Flyde is an open-source visual, flow-based programming toolkit that runs in VS Code and integrates with existing TypeScript/JavaScript code… | 49 | 3508 | active |
| nuwave/lighthouse Lighthouse is a GraphQL server framework that integrates with Laravel applications, letting you define your API schema using the GraphQL Sc… | 96 | 3502 | active |
| collectiveidea/audited Audited is a Ruby gem and ActiveRecord extension for Rails that automatically logs all changes to your models into an audits table. It reco… | 56 | 3496 | active |
| prometheus/client_js The official Prometheus client library for Node.js, supporting counters, gauges, histograms, and summaries. It exposes metrics via a regist… | 88 | 3483 | stable |
| MZCretin/RollToolsApi RollToolsApi is a free, long-maintained aggregated REST API service that provides commonly used data endpoints for developers, hosted on an… | 73 | 3478 | active |
| trailblazer/trailblazer Trailblazer is a Ruby framework of around 40 gems that structures business logic through abstractions like operations (service objects), fo… | 46 | 3477 | stable |
| pistacheio/pistache Pistache is a modern, elegant HTTP and REST framework written in pure C++17. It provides a multi-threaded HTTP server, an asynchronous HTTP… | 75 | 3473 | active |
| hashicorp/go-memdb A Go library implementing an in-memory database built on immutable radix trees, with schema-defined tables and indexes. It provides MVCC, A… | 63 | 3472 | stable |
| felixmosh/bull-board A dashboard UI library for inspecting and managing Bull, BullMQ, and BullMQ Pro job queues backed by Redis. It plugs into Node.js servers v… | 95 | 3462 | active |
| owen-it/laravel-auditing A Laravel/Lumen package that keeps a history of Eloquent model changes by adding a trait to models, storing audit records via configurable … | 93 | 3458 | stable |
| collectiveidea/interactor A Ruby gem providing a common interface for encapsulating business logic in single-purpose objects called interactors. Each interactor oper… | 46 | 3458 | stable |
| zzzeek/sqlalchemy SQLAlchemy is the Python SQL toolkit and Object Relational Mapper, providing both a Core SQL expression language with schema management and… | 77 | 3454 | stable |
| JasperFx/marten Marten is a .NET library that turns PostgreSQL into a fully featured transactional document database using its JSON support, plus an ACID-c… | 95 | 3448 | active |
| jazzband/django-taggit django-taggit is a reusable Django application that adds simple tagging to models via a TaggableManager field. It integrates with Django fo… | 77 | 3445 | stable |
| civetweb/civetweb CivetWeb is an easy-to-use, powerful embeddable C/C++ web server with optional CGI, SSL, and Lua support. It can be linked as a library to … | 66 | 3443 | stable |
| actor-framework/actor-framework CAF (C++ Actor Framework) is an open-source implementation of the Actor Model in C++, providing lightweight actors, network-transparent mes… | 67 | 3432 | stable |
| documentdb/documentdb DocumentDB is an open-source, MongoDB-compatible document database engine built as PostgreSQL extensions, providing native BSON support, CR… | 83 | 3431 | active |
| rubenv/sql-migrate A SQL schema migration tool for Go, usable both as a standalone CLI and as a library. It supports SQLite, PostgreSQL, MySQL, MSSQL, and Ora… | 74 | 3419 | stable |
| xdebug/xdebug Xdebug is a PHP extension providing step debugging, profiling, tracing, code coverage, and improved error reporting for PHP applications. I… | 90 | 3414 | active |
| laravel/passport Laravel Passport is an OAuth2 server package for Laravel applications, built on the League OAuth2 server. It issues and manages access toke… | 98 | 3413 | active |
| symfony/event-dispatcher-contracts A set of PHP interfaces and abstractions for event dispatching, extracted from the Symfony framework. It lets libraries and applications de… | 87 | 3413 | stable |
| zigzap/zap Zap is a fast, robust web microframework for Zig that wraps the facil.io C networking library to build HTTP servers and REST APIs. It provi… | 73 | 3412 | stable |
| apache/linkis Apache Linkis is a computation middleware layer that sits between upper-layer applications and underlying big data engines such as Spark, H… | 71 | 3406 | stable |
| brefphp/bref Bref is an open-source PHP framework and toolset for deploying and running PHP applications on AWS Lambda. It provides custom PHP runtimes … | 98 | 3393 | stable |
| robinrodricks/FluentFTP FluentFTP is a fully managed FTP and FTPS client library for .NET and .NET Standard, written entirely in C# with no external dependencies a… | 61 | 3393 | stable |
| Netflix/dgs-framework DGS Framework (Domain Graph Service) is a GraphQL server framework for Spring Boot, developed and maintained by Netflix. It provides an ann… | 95 | 3385 | active |
| PlatformLab/NanoLog NanoLog is an extremely high-performance C++ logging library with a simple printf-like API that achieves over 80 million logs per second at… | 23 | 3381 | stable |
| sqlkata/querybuilder SqlKata is a fluent SQL query builder library for C#/.NET that compiles expressive queries for SqlServer, MySQL, PostgreSQL, Oracle, SQLite… | 68 | 3379 | stable |
| Backpack for Laravel Backpack for Laravel is a collection of open-source Laravel packages for rapidly building custom admin panels on top of Eloquent models. It… | 95 | 3377 | stable |
| svix/svix-webhooks Svix is an open-source, enterprise-ready webhooks-as-a-service platform written in Rust that lets developers send webhooks with a single AP… | 95 | 3371 | active |
| TarsCloud/TarsGo TarsGo is a high-performance RPC and microservice framework for Go built on the Tars protocol, part of the Linux Foundation's Tars project.… | 40 | 3371 | stable |
| charmbracelet/log A minimal, colorful, leveled structured logging library for Go with a small API. It supports text, JSON, and logfmt formatters, an slog han… | 81 | 3370 | active |
| http-party/node-http-proxy node-http-proxy is a programmable HTTP proxying library for Node.js that supports websockets, HTTPS, and request/response modification. It … | 67 | 14129 | maintenance |
| blitz-js/blitz Blitz.js is a fullstack toolkit built on top of Next.js that adds a typesafe RPC data layer, authentication/authorization, and code scaffol… | 60 | 14129 | maintenance |
| justinas/alice Alice is a tiny Go library for chaining HTTP middleware functions and an application handler into a single http.Handler. It transforms nest… | 32 | 3364 | stable |
| prometheus/pushgateway Prometheus Pushgateway is a metrics acceptor service that lets ephemeral and batch jobs push their metrics so Prometheus can scrape them la… | 85 | 3361 | stable |
| scopsy/await-to-js await-to-js is a tiny TypeScript utility library that wraps promises in an async/await-friendly helper, returning [error, data] tuples inst… | 32 | 3357 | stable |
| austintoddj/canvas Canvas is an open-source publishing platform for Laravel that installs as a Composer package, adding a distraction-free writing editor, med… | 87 | 3344 | active |
| golang/crypto golang/crypto is the official supplementary cryptography library for the Go programming language, providing packages beyond the standard li… | 77 | 3343 | stable |
| leafo/lapis Lapis is a web framework for Lua and MoonScript that primarily targets OpenResty (Lua embedded in Nginx), with support for other server env… | 90 | 3338 | stable |
| django-import-export/django-import-export A Django application and library for importing and exporting data between Django models and file formats like CSV, XLSX, JSON, YAML, and HT… | 93 | 3334 | stable |
| overtrue/easy-sms A PHP library that provides a unified API for sending SMS messages through dozens of Chinese and international SMS gateway providers (Aliba… | 74 | 3334 | active |
| ts-rest/ts-rest ts-rest is a TypeScript library for defining a shared API contract that both client and server consume, providing end-to-end type safety fo… | 64 | 3334 | active |
| sqshq/piggymetrics PiggyMetrics is a personal financial advisor application built as a reference implementation of the microservice architecture pattern using… | 23 | 13949 | maintenance |
| django-oauth/django-oauth-toolkit Django OAuth Toolkit is an OAuth 2.0 authorization server and resource server library for Django projects, built on OAuthLib and RFC 6749 c… | 95 | 3333 | active |
| krisleech/wisper Wisper is a micro library that adds Publish-Subscribe (pub/sub) capabilities to plain Ruby objects. Objects including the Wisper::Publisher… | 32 | 3331 | stable |
| valyala/quicktemplate quicktemplate is a fast template engine for Go that compiles templates into Go code, catching most errors at compile time. It claims up to … | 32 | 3326 | stable |