domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Protovalidate Protovalidate is a semantic validation library for Protocol Buffers that lets developers define validation rules (standard constraints plus… | 94 | 1552 | active |
| chibisov/drf-extensions DRF-extensions is a collection of custom extensions for Django REST Framework, providing mixins, routers, caching, conditional requests, ne… | 66 | 1552 | active |
| RailsEventStore/rails_event_store Rails Event Store (RES) is a Ruby library for publishing, consuming, storing, and retrieving domain events, built on Active Record. It serv… | 99 | 1551 | stable |
| django-phonenumber-field/django-phonenumber-field A Django library providing model and form fields for storing, validating, and formatting international phone numbers, built on top of pytho… | 88 | 1551 | stable |
| tilo/smarter_csv SmarterCSV is a Ruby gem for fast, robust CSV parsing and generation, with optional C acceleration and auto-detection of messy real-world C… | 76 | 1551 | active |
| ilyakatz/data-migrate A Ruby gem for Rails that lets you run data migrations alongside schema migrations. Data migrations live in db/data and are tracked in a da… | 81 | 1549 | active |
| hyperium/h2 H2 is a Tokio-based HTTP/2 client and server implementation for Rust that implements the full HTTP/2 specification. It serves as the low-le… | 95 | 1544 | stable |
| springside/springside4 SpringSide is a pragmatic, Spring Framework-based reference architecture for JavaEE applications, demonstrating mainstream technology choic… | 23 | 5640 | maintenance |
| zoolutions/sidekiq-unique-jobs A Ruby gem that prevents duplicate Sidekiq background jobs using Redis-based locks. It provides multiple lock types and conflict strategies… | 83 | 1543 | active |
| shuxinqin/Chloe Chloe is a lightweight, high-performance Object/Relational Mapping (ORM) library for .NET written in C#. It provides a LINQ-like query inte… | 65 | 1543 | active |
| matrix-org/dendrite Dendrite is a second-generation Matrix homeserver written in Go, designed as an efficient, reliable, and scalable alternative to Synapse. I… | 10 | 5630 | maintenance |
| graphql/graphql-relay-js A library of helper functions for building Relay-compliant GraphQL servers using the GraphQL.js reference implementation. It provides utili… | 43 | 1541 | stable |
| guchengwuyue/yshop-drink yshop-drink is an open-source, front-end/back-end separated QR-code food ordering system supporting dine-in table scanning, takeout, and se… | 77 | 1540 | active |
| pureconfig/pureconfig PureConfig is a Scala library that loads configuration files (HOCON, Java .properties, or JSON via Typesafe Config) into native Scala class… | 77 | 1540 | stable |
| iamolegga/nestjs-pino A NestJS logger module built on Pino that injects request context into every log line. It works with both Express and Fastify and integrate… | 86 | 1539 | active |
| tighten/parental Parental is a Laravel package that adds single table inheritance (STI) to Eloquent models. It lets child models extend a parent model while… | 79 | 1539 | stable |
| roncoo/roncoo-education Roncoo Education (领课教育系统) is an open-source online education platform built with a Spring Cloud Alibaba microservices backend and Vue 3/Nux… | 68 | 1539 | active |
| python-injector/injector A Python dependency injection framework inspired by Google's Guice. It automatically and transitively provides dependencies, reducing boile… | 80 | 1537 | stable |
| BizSpringSource/bizspring-shop-opensource BizSpring is an open-source, commercially usable cross-border e-commerce platform built on Java Spring Cloud microservices with Vue3 + Elem… | 53 | 1537 | active |
| edgexfoundry/edgex-go EdgeX Foundry is a vendor-neutral open source framework for IoT edge computing, and this repository contains the Go implementation of its c… | 83 | 1536 | active |
| george518/PPGo_Job PPGo_Job is a lightweight, web-based scheduled task (cron) management system written in Go. It provides a visual UI with multi-user permiss… | 23 | 1536 | stable |
| apache/httpcomponents-client Apache HttpComponents Client is the standard Java HTTP client library from the Apache HttpComponents project, supporting HTTP/1.1 and HTTP/… | 77 | 1534 | stable |
| ebean-orm/ebean Ebean is an ORM (object-relational mapping) library for Java and Kotlin that uses JPA mapping annotations and provides type-safe query bean… | 98 | 1532 | active |
| jshttp/cookie A small Node.js library for parsing and serializing HTTP Cookie and Set-Cookie headers. It provides functions to convert cookie header stri… | 92 | 1532 | stable |
| SmileyChris/django-countries A Django application providing a CountryField model field with all ISO 3166-1 countries, translated country names, and static flag icon fil… | 71 | 1532 | stable |
| akira/exq Exq is a job processing library for Elixir that uses Redis as its backing store and is compatible with Resque and Sidekiq job formats. It h… | 92 | 1531 | stable |
| HeyPuter/kv.js KV.JS is a fast, in-memory key-value data store written in pure JavaScript, heavily inspired by Redis and Memcached. It supports multiple d… | 55 | 1531 | active |
| livebud/bud Bud is a full-stack web framework for Go that generates boilerplate glue code automatically, integrating a Go backend with Svelte/TypeScrip… | 23 | 5583 | maintenance |
| tute/merit Merit is a Ruby gem that adds reputation behavior to Rails applications through badges, points, and rankings. It lets developers define rul… | 40 | 1530 | active |
| thephpleague/plates Plates is a native PHP template system that is fast, easy to use, and easy to extend. It brings modern template features like layouts, inhe… | 50 | 1529 | stable |
| bloomberg/comdb2 Comdb2 is Bloomberg's open-source clustered relational database management system built on optimistic concurrency control. It supports mult… | 77 | 1528 | active |
| yippee-fun/phlex Phlex is a Ruby gem for building fast, object-oriented HTML and SVG view components in pure Ruby. It integrates with Rails and supports str… | 86 | 1527 | active |
| rbren/rss-parser rss-parser is a lightweight JavaScript library that converts RSS and Atom XML feeds into JavaScript objects. It works in both Node.js and t… | 77 | 1527 | active |
| dpapathanasiou/simple-graph A simple graph database implemented on top of SQLite, storing nodes as JSON objects and edges as id pairs with optional properties. It prov… | 26 | 1527 | active |
| cartalyst/sentinel Sentinel is a PHP 8.3+ framework-agnostic authentication and authorization library by Cartalyst. It provides user authentication, roles, pe… | 61 | 1526 | active |
| baidu/uid-generator UidGenerator is a Java library that generates unique 64-bit IDs based on the Snowflake algorithm, working as an embeddable component with c… | 32 | 5562 | maintenance |
| swoosh/swoosh Swoosh is an Elixir library for composing, delivering, and testing emails. It provides a unified mailer API with adapters for popular provi… | 99 | 1523 | active |
| elixir-grpc/grpc A full-featured Elixir implementation of the gRPC protocol supporting unary and streaming RPCs, interceptors, TLS, HTTP transcoding, and Pr… | 97 | 1522 | active |
| yulichang/mybatis-plus-join MyBatis-Plus-Join is a Java library that extends MyBatis-Plus with multi-table join query support in a MyBatis-Plus style. It provides lamb… | 84 | 1522 | active |
| georgysavva/scany scany is a Go library that scans rows from a database into Go structs, maps, and primitive types with a single function call, eliminating m… | 39 | 1522 | stable |
| swoft-cloud/swoft Swoft is a PHP microservice coroutine framework built on the Swoole extension, offering a resident-memory coroutine web server with HTTP, W… | 23 | 5536 | maintenance |
| janbjorge/pgqueuer PgQueuer is a Python library that turns an existing PostgreSQL database into a background job and task queue using FOR UPDATE SKIP LOCKED a… | 86 | 1519 | active |
| mongodb/mongo-rust-driver The officially supported MongoDB driver for Rust, providing a fully async API built on tokio plus an optional sync API for interacting with… | 95 | 1518 | stable |
| caddyserver/xcaddy xcaddy is a command-line tool and Go package for building custom Caddy web server binaries with plugins. It also serves as a replacement fo… | 87 | 1518 | active |
| spatie/eloquent-sortable A PHP package by Spatie that adds sortable behaviour to Laravel Eloquent models via a trait. It maintains an order column on records and pr… | 81 | 1518 | stable |
| SimonCropp/Delta A .NET library that implements HTTP 304 Not Modified responses by leveraging database change tracking to generate ETags from last-updated t… | 79 | 1518 | active |
| knightliao/disconf Disconf is a distributed configuration management platform consisting of a web console and a Java client library for centrally managing con… | 23 | 5522 | maintenance |
| OpenSIPS/opensips OpenSIPS is a GPL-licensed, open-source SIP server/proxy implementation written in C, forked from the SER project. It provides carrier-grad… | 77 | 1516 | stable |
| name5566/leaf Leaf is a pragmatic game server framework written in Go, providing modular building blocks for building multiplayer game backends. It empha… | 23 | 5518 | maintenance |
| gobuffalo/pop Pop is a Go ORM and database toolkit that wraps sqlx to simplify CRUD operations, query building, and migrations. It follows ActiveRecord-i… | 93 | 1515 | active |
| wintercms/winter Winter CMS is a free, open-source, self-hosted content management system built on the Laravel PHP framework, forked from October CMS in 202… | 99 | 1513 | active |
| qicosmos/ormpp ormpp is a modern C++17 header-only ORM library that provides a unified API for MySQL, PostgreSQL, and SQLite. It uses compile-time reflect… | 87 | 1512 | active |
| spatie/laravel-settings A Laravel package by Spatie for storing strongly typed application settings in a repository such as a database or Redis. Settings are defin… | 86 | 1512 | stable |
| insistence/RuoYi-Vue3-FastAPI RuoYi-Vue3-FastAPI is a full-stack, open-source admin/management boilerplate framework that pairs a FastAPI backend (SQLAlchemy, MySQL/Post… | 87 | 1510 | active |
| sindresorhus/p-map p-map is a small Node.js/JavaScript library for mapping over iterables with promise-returning or async mapper functions concurrently, with … | 83 | 1510 | stable |
| royalrick/weapp A Go SDK for the server-side APIs of WeChat Mini Programs, wrapping endpoints like login (code2session), access tokens, and encrypted data … | 39 | 1510 | active |
| broadway/broadway Broadway is a PHP library providing infrastructure and testing helpers for building CQRS and event-sourced applications. It offers loosely … | 10 | 1509 | active |
| pallets-eco/flask-wtf Flask-WTF is a Python library that integrates WTForms with the Flask web framework, providing form rendering, validation, CSRF protection, … | 80 | 1508 | stable |
| ActsAsParanoid/acts_as_paranoid A Ruby on Rails plugin that adds soft-delete functionality to ActiveRecord models, hiding records instead of deleting them so they can be r… | 76 | 1508 | active |
| goproxy/goproxy A minimalist Go library implementing the GOPROXY protocol as an HTTP handler, letting developers build their own Go module proxy servers. I… | 90 | 1507 | active |
| skaiworldwide-oss/agensgraph AgensGraph is a multi-model graph database built on PostgreSQL that supports relational and graph data models simultaneously. It supports A… | 87 | 1507 | active |
| jetzig-framework/jetzig Jetzig is a full-featured web framework written in pure Zig for building modern web applications. It provides file system-based routing, HT… | 65 | 1507 | active |
| rlidwka/sinopia Sinopia is a zero-configuration private npm registry server that caches packages from npmjs.org and lets you publish private packages local… | 32 | 5478 | maintenance |
| gorilla/schema gorilla/schema is a Go library that converts structs to and from HTTP form values, with support for struct tags, custom types, and default … | 23 | 1506 | stable |
| getlogbook/logbook Logbook is a Python logging library designed as a drop-in replacement for the standard logging module, with easier setup and configuration.… | 94 | 1505 | active |
| mxsm/rocketmq-rust An unofficial, high-performance Rust implementation of Apache RocketMQ, providing message broker, NameServer, producer, and consumer compon… | 81 | 1505 | active |
| kelseyhightower/envconfig A Go library that populates struct fields from environment variables using struct tags for overrides, defaults, and required values. It sup… | 35 | 5466 | maintenance |
| evant/kotlin-inject kotlin-inject is a compile-time dependency injection library for Kotlin that generates component implementations via KSP annotations. It pr… | 59 | 1503 | active |
| mysql-net/MySqlConnector MySqlConnector is an ADO.NET data provider for MySQL, MariaDB, and compatible servers, written in C# for .NET and .NET Core. It offers full… | 89 | 1502 | active |
| FriendsOfSymfony/FOSJsRoutingBundle A Symfony bundle that exposes your Symfony routes to client-side JavaScript, letting you generate URLs with parameters in the browser like … | 62 | 1502 | active |
| accounts-js/accounts A suite of TypeScript packages providing fullstack authentication and accounts management for JavaScript applications, supporting GraphQL a… | 23 | 1502 | active |
| Azure/data-api-builder Data API builder (DAB) is an open-source, no-code engine that auto-generates secure REST and GraphQL endpoints (plus MCP tools) from your d… | 92 | 1500 | active |
| steveklabnik/request_store RequestStore is a Ruby gem providing per-request global storage for Rack applications, replacing error-prone Thread.current usage with requ… | 23 | 1500 | stable |
| actiontech/sqle SQLE is a self-hosted SQL quality management platform that audits, monitors, and governs SQL across its full lifecycle, from development-ti… | 96 | 1499 | active |
| pyca/bcrypt pyca/bcrypt is a Python library providing bcrypt password hashing and a bcrypt_pbkdf key derivation function. It offers salted hashing with… | 77 | 1499 | active |
| scottie1984/swagger-ui-express An Express middleware module that serves Swagger UI from a swagger.json (or generated spec) file, exposing interactive API documentation at… | 24 | 1497 | active |
| mariadb-corporation/MaxScale MariaDB MaxScale is an intelligent database proxy that forwards database statements to one or more backend database servers using complex r… | 60 | 1496 | active |
| eloqdata/eloqkv EloqKV is a high-performance distributed key-value database with a Redis/ValKey-compatible API, built in C++ on a transactional data substr… | 86 | 1495 | active |
| vinkla/hashids A small PHP library that generates YouTube-like short, URL-safe IDs from numbers, so numeric database IDs are not exposed to users. It supp… | 57 | 5429 | maintenance |
| elixir-horde/horde Horde is an Elixir library providing a distributed supervisor (Horde.DynamicSupervisor) and distributed registry (Horde.Registry) built on … | 70 | 1494 | active |
| google/go-safeweb go-safeweb is a collection of Go libraries for building secure-by-default HTTP servers. It applies security mechanisms like XSS and CSRF pr… | 10 | 1494 | active |
| SteveDunn/Vogen Vogen is a C# source generator and analyzer that converts primitives into strongly-typed value objects representing domain concepts. It emi… | 97 | 1492 | active |
| tokio-rs/tokio-uring tokio-uring is a Rust library that provides an io_uring-backed runtime compatible with the Tokio ecosystem, exposing new resource types (st… | 36 | 1492 | active |
| harrisiirak/cron-parser A TypeScript/JavaScript library for parsing and manipulating cron expressions. It supports timezone handling, DST transitions, predefined e… | 98 | 1491 | active |
| mitre/HTTP-Proxy-Servlet A single-file Java servlet that acts as an HTTP reverse proxy, built on Apache HttpClient. It lets Java web applications forward requests t… | 60 | 1489 | stable |
| jhump/protoreflect A Go library providing rich reflection utilities for Protocol Buffers descriptors and gRPC, building on the standard protobuf Go runtime re… | 75 | 1487 | active |
| ehmicky/modern-errors A JavaScript library for handling errors in a simple, stable, and consistent way across Node.js and browsers. It provides error class creat… | 81 | 1486 | stable |
| ruimarinho/google-libphonenumber A zero-dependency Node.js wrapper around Google's libphonenumber library for parsing, formatting, storing, and validating international pho… | 97 | 1485 | active |
| json4s/json4s 4s is a Scala JSON library providing a common JSON AST (JValue) with parsing, formatting, and transformation utilities. It originated as a … | 76 | 1485 | stable |
| bartblast/hologram Hologram is a full-stack isomorphic Elixir web framework that runs on top of Phoenix, letting developers build dynamic, interactive web app… | 98 | 1484 | active |
| Shopify/semian Semian is a Ruby resiliency library that prevents cascading failures when accessing slow or unresponsive external services like databases a… | 86 | 1484 | stable |
| trallnag/prometheus-fastapi-instrumentator A configurable, modular Python library that instruments FastAPI applications with Prometheus metrics. It exposes default HTTP request metri… | 92 | 1482 | active |
| hook0/hook0 Hook0 is an open-source (SSPL-1.0) webhooks-as-a-service platform written in Rust that lets SaaS developers deliver events to their users' … | 99 | 1481 | active |
| ContentSquare/chproxy Chproxy is an open-source HTTP proxy and load balancer for ClickHouse databases, written in Go. It routes requests across multiple ClickHou… | 71 | 1480 | active |
| google/flogger Flogger is a fluent logging API for Java developed by Google, designed as a unified replacement for the many logging APIs used across large… | 67 | 1480 | stable |
| deschler/django-modeltranslation A Django application that translates dynamic content of existing Django models into an arbitrary number of languages using a registration a… | 78 | 1479 | stable |
| fossasia/veditor Veditor is a standalone, reusable video-review and transcoding pipeline built with FastAPI and RQ, backed by Postgres and Redis. It exposes… | 77 | 1478 | active |
| salsita/node-pg-migrate node-pg-migrate is a Node.js/TypeScript database migration tool built exclusively for PostgreSQL (also compatible with CockroachDB). It pro… | 93 | 1477 | active |
| AlphaYu/adnc ADNC is an open-source .NET 8 framework for building modular business systems that can start as modular monoliths and evolve into distribut… | 73 | 1476 | active |
| rails-api/active_model_serializers ActiveModelSerializers is a Ruby library that provides an ActiveModel::Serializer implementation and Rails hooks for rendering model object… | 48 | 5341 | maintenance |