domain: backend
4128 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| linq2db/linq2db LINQ to DB is a fast, lightweight LINQ database access library for .NET that provides a type-safe layer between POCOs and databases. It sit… | 94 | 3322 | active |
| jsoniter jsoniter is a high-performance JSON serialization and parsing library for Go (with a Java variant) that serves as a 100% compatible drop-in… | 10 | 13876 | maintenance |
| randombit/botan Botan is a C++ cryptography library offering TLS 1.2/1.3, X.509 PKI, modern AEAD ciphers, post-quantum algorithms, and hardware token suppo… | 77 | 3307 | stable |
| Tencent/spring-cloud-tencent Spring Cloud Tencent is a Spring Cloud-based service governance framework from Tencent that implements the standard Spring Cloud SPI and in… | 98 | 3293 | active |
| breejs/bree Bree is a job/task scheduler library for Node.js and JavaScript supporting cron, Date, ms, and human-readable interval syntax. It runs jobs… | 75 | 3293 | active |
| PerfectlySoft/Perfect Perfect is a server-side Swift framework and application server providing an HTTP/HTTPS server, routing, WebSockets, templating, and a suit… | 23 | 13742 | maintenance |
| cyu/rack-cors Rack middleware that adds Cross-Origin Resource Sharing (CORS) support to Rack-compatible Ruby web applications, including Rails. It lets y… | 42 | 3290 | active |
| express-rate-limit/express-rate-limit A rate-limiting middleware library for the Express web server, written in TypeScript. It limits repeated requests per IP or key over config… | 98 | 3289 | stable |
| shrinerb/shrine Shrine is a modular file attachment toolkit for Ruby applications that handles uploading, storing, processing, and serving files across man… | 77 | 3285 | stable |
| Powertools for AWS Lambda Powertools for AWS Lambda is a developer toolkit (available for Python, TypeScript, Java, and .NET) that implements serverless best practic… | 98 | 3280 | stable |
| node-cron/node-cron node-cron is a zero-dependency job scheduling library for Node.js that runs recurring tasks using standard cron expressions. It supports ov… | 96 | 3275 | stable |
| pamburus/hl hl is a fast, high-performance CLI log viewer and processor written in Rust that converts JSON and logfmt logs into human-readable output. … | 95 | 3270 | active |
| spring-projects/spring-data-jpa Spring Data JPA is part of the Spring Data family and simplifies building JPA-based data access layers by generating repository implementat… | 98 | 3269 | stable |
| jfinal/jfinal JFinal is a lightweight Java web + ORM framework combining MVC architecture with an ActiveRecord-style database layer and the Enjoy templat… | 77 | 3269 | stable |
| cool-admin cool-admin is an open-source admin/permission management framework built on Node.js (Midway, TypeORM, TypeScript) for the backend and Vue 3… | 74 | 3265 | active |
| microsurging/surging Surging is a distributed microservice engine for .NET Core providing a lightweight, high-performance, modular RPC pipeline with service reg… | 57 | 3263 | active |
| butterbase-ai/butterbase Butterbase is an open-source, AI-native backend-as-a-service platform built on Postgres, providing auth, storage, serverless functions, an … | 58 | 3259 | active |
| punkpeye/fastmcp FastMCP is a TypeScript framework for building MCP (Model Context Protocol) servers with tools, resources, prompts, sessions, and authentic… | 84 | 3255 | active |
| Tinche/aiofiles aiofiles is an Apache-2.0 licensed Python library providing asynchronous file I/O for asyncio applications by delegating blocking file oper… | 71 | 3255 | stable |
| serverpod/serverpod Serverpod is an open-source app and web server framework written in Dart, designed specifically for the Flutter ecosystem. It provides code… | 97 | 3253 | active |
| mongodb/mongo-csharp-driver The official MongoDB driver for C# and .NET, providing a client API for connecting to, querying, and writing to MongoDB databases. It suppo… | 94 | 3241 | stable |
| qos-ch/logback Logback is a reliable, fast and flexible logging framework for Java, intended as the successor to log4j 1.x. It natively implements the SLF… | 99 | 3233 | stable |
| symfony/options-resolver A standalone Symfony PHP component that improves on array_replace for handling configuration options. It provides required options, default… | 94 | 3230 | stable |
| github/secure_headers A Ruby gem that manages the application of HTTP security response headers such as Content Security Policy, HSTS, and X-Frame-Options with s… | 84 | 3228 | stable |
| ohler55/oj Oj (Optimized JSON) is a fast JSON parser and object marshaller implemented as a C extension for Ruby. It serves as a drop-in replacement f… | 93 | 3225 | stable |
| lonng/nano Nano is a lightweight, high-performance game server framework written in Go. It provides a component-based networking architecture with bui… | 54 | 3223 | active |
| symfony/doctrine-bridge A Symfony component that provides integration between Doctrine (ORM and DBAL) and various Symfony components such as forms, validation, sec… | 95 | 3220 | stable |
| lukencode/FluentEmail FluentEmail is an all-in-one email sending library for .NET and .NET Core with a fluent API. It supports multiple senders (SMTP, SendGrid, … | 32 | 3215 | stable |
| cloudflare/tableflip A Go library for gracefully restarting network services without dropping existing connections, by spawning a new process and transferring l… | 58 | 3210 | stable |
| remult/remult Remult is a full-stack TypeScript CRUD framework that uses TypeScript entity classes as a single source of truth to generate a secure REST … | 97 | 3209 | active |
| bloomberg/blazingmq BlazingMQ is a distributed, high-performance message queuing system written in C++, providing durable, fault-tolerant queues with rich rout… | 73 | 3208 | stable |
| golang/groupcache groupcache is a Go distributed caching and cache-filling library intended as a replacement for a pool of memcached nodes. It embeds both cl… | 32 | 13332 | maintenance |
| yitter/IdGenerator A high-performance unique numeric ID generator library implementing an optimized Snowflake ('drift') algorithm, natively available in C#, J… | 30 | 3207 | active |
| dotnet/aspnet-api-versioning A set of .NET libraries that add API versioning semantics to ASP.NET Core services, including Minimal APIs, MVC controllers, gRPC, OData, a… | 90 | 3205 | active |
| rust-cli/config-rs A Rust library providing a layered configuration system that merges defaults, files (JSON, TOML, YAML, INI, RON, JSON5, Corn), environment … | 77 | 3205 | active |
| dotnet/extensions A suite of .NET libraries from Microsoft providing production-ready capabilities such as resilience pipelines, telemetry, diagnostics, comp… | 98 | 3202 | active |
| jaredwray/keyv Keyv is a TypeScript key-value storage library providing a consistent interface across multiple backends via storage adapters (Redis, Postg… | 98 | 3187 | active |
| wildfly/wildfly WildFly is an open-source, modular, lightweight Jakarta EE and MicroProfile application server for running enterprise Java applications. It… | 95 | 3186 | active |
| CodisLabs/codis Codis is a proxy-based, high-performance Redis cluster solution written in Go that provides transparent sharding and dynamic resharding wit… | 23 | 13224 | maintenance |
| revel/revel Revel is a high-productivity, full-stack MVC web framework for the Go language. It bundles routing, parameter parsing, validation, sessions… | 23 | 13219 | maintenance |
| RuoYi-Vue RuoYi-Vue is a full-stack, front-end/back-end separated admin and permission management system built on Spring Boot, Spring Security, JWT, … | 83 | 3184 | active |
| RolifyCommunity/rolify rolify is a Ruby gem providing simple role management for Rails applications, with support for scoping roles to specific resource objects. … | 52 | 3177 | stable |
| pyrocms/pyrocms PyroCMS is a modular, open-source content management system and development platform built on the Laravel PHP framework. It provides a resp… | 70 | 3175 | active |
| strongloop/loopback LoopBack is a highly-extensible Node.js framework for building dynamic end-to-end REST APIs and microservices with model-driven development… | 23 | 13161 | maintenance |
| analogjs/analog Analog is a fullstack meta-framework for building applications and websites with Angular, powered by Vite and Nitro. It provides file-based… | 95 | 3170 | active |
| etianen/django-reversion django-reversion is a Django extension that adds version control for model instances, tracking revisions and enabling rollback. It integrat… | 86 | 3168 | stable |
| joke2k/django-environ django-environ is a Python package that lets you configure Django applications using environment variables following the Twelve-Factor meth… | 87 | 3165 | active |
| itwanger/paicoding Paicoding (技术派) is an open-source community/forum platform built on Spring Boot, MyBatis-Plus, MySQL, Redis, Elasticsearch, MongoDB, Rabbit… | 77 | 3163 | active |
| sqitchers/sqitch Sqitch is a standalone database change management (migration) tool that tracks schema changes as native SQL scripts with a plan file and Me… | 83 | 3155 | stable |
| Tencent/Tendis Tendis is a high-performance distributed key-value storage system fully compatible with the Redis protocol, built on RocksDB for disk-based… | 81 | 3155 | active |
| gorilla/sessions gorilla/sessions is a Go library providing cookie and filesystem session storage with infrastructure for custom session backends. It offers… | 23 | 3151 | stable |
| celery/kombu Kombu is a Python messaging library providing an idiomatic high-level interface to the AMQP protocol and pluggable transports for RabbitMQ,… | 87 | 3136 | stable |
| egzosn/pay-java-parent A lightweight Java SDK that aggregates third-party payment integrations including WeChat Pay, Alipay, UnionPay, PayPal, Payoneer, Fuiou, an… | 60 | 3133 | active |
| sebhildebrandt/systeminformation A dependency-free Node.js library for retrieving detailed system and OS information such as CPU, memory, disk, network, and battery stats. … | 99 | 3129 | active |
| chronoxor/NetCoreServer NetCoreServer is an ultra fast, low latency asynchronous socket server and client library for C# .NET Core. It supports TCP, SSL, UDP, Unix… | 61 | 3129 | stable |
| CacheControl/json-rules-engine json-rules-engine is a lightweight JavaScript rules engine where rules are defined as simple, human-readable JSON structures. It supports n… | 53 | 3128 | stable |
| petergoldstein/dalli Dalli is a high-performance pure Ruby client for accessing memcached servers. It supports failover, namespaces, thread-safe operation, SSL/… | 98 | 3114 | active |
| mashpie/i18n-node A lightweight internationalization (i18n) library for Node.js that provides translation via the common __('...') syntax with dynamic JSON s… | 68 | 3112 | active |
| laravel-shift/blueprint Blueprint is a code generation tool for Laravel that builds multiple framework components (models, migrations, controllers, routes, factori… | 79 | 3110 | active |
| felixge/fgprof fgprof is a sampling Go profiler that analyzes both On-CPU and Off-CPU (e.g. I/O) time together, also known as wall-clock profiling. It exp… | 31 | 3110 | stable |
| apiato/apiato Apiato is a PHP framework built on top of Laravel for creating scalable, testable, API-centric applications using the Porto architectural p… | 78 | 3109 | active |
| oshai/kotlin-logging A lightweight, pure-Kotlin multiplatform logging facade that provides convenient and performant logging APIs for Kotlin. It wraps slf4j on … | 88 | 3107 | stable |
| darccio/mergo Mergo is a Go library that merges same-type structs and maps by setting default values in zero-value fields using reflection. It has been s… | 67 | 3106 | stable |
| acl-dev/acl Acl is a cross-platform C/C++ network communication library and server programming framework supporting Linux, Windows, macOS, FreeBSD, And… | 90 | 3100 | stable |
| fibjs/fibjs fibjs is a JavaScript runtime built on Chrome's V8 engine that uses fiber-based coroutines with a synchronous, non-blocking IO model. It sh… | 67 | 3098 | active |
| subtrace/subtrace Subtrace is a CLI tool that lets developers inspect HTTP requests hitting their backend servers by wrapping any command with `subtrace run`… | 58 | 3095 | active |
| facebook/wangle Wangle is a C++ networking library providing composable client/server abstractions for building protocols, application clients, and servers… | 95 | 3094 | active |
| jhnns/rewire rewire is a Node.js library that adds special setter and getter methods to CommonJS modules so tests can inject mocks, override private var… | 56 | 3093 | active |
| ulisesbocchio/jasypt-spring-boot A Spring Boot integration of the Jasypt library that enables transparent encryption and decryption of property sources in Spring Boot appli… | 68 | 3088 | active |
| tsedio/tsed Ts.ED is a TypeScript framework for Node.js and Bun built on top of Express.js, Koa.js, or Fastify.js, using decorators and class-based arc… | 95 | 3087 | active |
| elastic/elasticsearch-rails Official Elasticsearch integrations for Ruby on Rails, provided as three gems: elasticsearch-model (ActiveModel/ActiveRecord/Mongoid search… | 45 | 3084 | active |
| flosch/pongo2 pongo2 is a template engine for Go that implements Django's template syntax, including tags, filters, and macros. It is a pure-Go library w… | 74 | 3083 | active |
| jazzband/django-redis A full-featured Redis cache and session backend for Django, built on redis-py. It supports pluggable clients, parsers, and serializers, pri… | 83 | 3081 | active |
| mkleehammer/pyodbc pyodbc is an open-source Python module that provides access to ODBC databases, implementing the DB API 2.0 specification with additional Py… | 66 | 3081 | stable |
| slact/nchan Nchan is a scalable pub/sub message server and proxy implemented as an Nginx module, supporting Websocket, EventSource (SSE), long-polling,… | 71 | 3065 | stable |
| jobrunr/jobrunr JobRunr is a Java library for performing distributed background processing on the JVM using Java 8 lambdas, with jobs persisted in an exist… | 99 | 3064 | active |
| next-safe-action/next-safe-action next-safe-action is a TypeScript library for defining type-safe, validated Next.js Server Actions with middleware support. It works with an… | 92 | 3061 | active |
| EasyNetQ/EasyNetQ EasyNetQ is an easy-to-use .NET client API for RabbitMQ that simplifies pub/sub messaging, delayed scheduling, and RPC over an AMQP broker.… | 90 | 3059 | active |
| tokio-rs/toasty Toasty is an async ORM for Rust that lets you define data models with Rust structs and derive macros, supporting SQL databases (SQLite, Pos… | 88 | 3047 | active |
| jeremykenedy/laravel-auth A complete Laravel 12 starter application with email registration verification, social authentication via Socialite, user roles and permiss… | 78 | 3045 | active |
| jonashaag/bjoern bjoern is an ultra-lightweight, high-performance WSGI HTTP/1.1 server for CPython 2 and 3, written in ~1000 lines of C on top of libev and … | 32 | 3041 | active |
| javamelody/javamelody JavaMelody is an open-source library for monitoring Java and Java EE applications in QA and production environments. It collects and visual… | 92 | 3039 | active |
| Snapchat/KeyDB KeyDB is a multithreaded, high-performance fork of Redis that is fully protocol-compatible and acts as a drop-in replacement for Redis depl… | 23 | 12509 | maintenance |
| vpulim/node-soap A Node.js library providing both a SOAP client and a SOAP server, with WSDL parsing, SOAP header handling, security options, and async meth… | 99 | 3038 | active |
| HBNetwork/python-decouple python-decouple is a Python library that enforces strict separation of configuration settings from code, reading parameters from .env or .i… | 23 | 3038 | stable |
| twmb/franz-go franz-go is a feature-complete, pure Go Apache Kafka client library supporting Kafka 0.8.0 through 4.2+, including producing, consuming, tr… | 76 | 3032 | active |
| xyproto/algernon Algernon is a small, self-contained web server and application server written in pure Go, bundling HTTP/2, HTTP/3 (QUIC), Lua/Teal scriptin… | 93 | 3027 | active |
| open-webui/open-terminal A self-hosted remote shell exposed over a REST API, designed to give AI agents and automation tools a dedicated environment to run commands… | 82 | 3025 | active |
| Propaganistas/Laravel-Phone A Laravel package that adds phone number validation, formatting, and parsing built on Google's libphonenumber (PHP port). It provides valid… | 80 | 3025 | active |
| socketry/falcon Falcon is a high-performance, multi-process, multi-fiber rack-compatible HTTP web server for Ruby, built on the async ecosystem. It nativel… | 97 | 3024 | active |
| matcornic/hermes Hermes is a Go package that generates clean, responsive HTML emails for transactional mail such as welcome, password-reset, and receipt ema… | 29 | 3024 | active |
| elixir-plug/plug Plug is an Elixir library and specification for composing web applications from small functional pieces, with connection adapters for web s… | 77 | 3013 | stable |
| calebporzio/sushi Sushi is a PHP library that lets Laravel Eloquent models run on in-memory array data instead of a database, backed by SQLite. You add a tra… | 64 | 3003 | active |
| mscdex/busboy Busboy is a Node.js library that provides a streaming parser for HTML form data, primarily multipart/form-data uploads. It emits events for… | 32 | 2999 | stable |
| bensheldon/good_job GoodJob is a multithreaded, Postgres-based Active Job backend for Ruby on Rails. It stores jobs in Postgres, uses advisory locks and LISTEN… | 96 | 2993 | stable |
| public-activity/public_activity A Ruby gem that provides easy activity tracking for ActiveRecord, Mongoid, and MongoMapper models in Rails 6.1+. It records what has been c… | 70 | 2990 | active |
| baidu/openrasp OpenRASP is Baidu's open-source Runtime Application Self-Protection (RASP) solution that embeds a protection engine directly into the appli… | 43 | 2987 | stable |
| dbader/schedule A Python library for scheduling periodic jobs with a friendly, human-readable syntax. It runs an in-process scheduler that executes Python … | 32 | 12260 | maintenance |
| stephenberry/glaze Glaze is an extremely fast, header-only C++ serialization and reflection library supporting JSON, BEVE, CBOR, BSON, CSV, MessagePack, TOML,… | 95 | 2978 | active |
| laravel/sanctum Laravel Sanctum is a featherweight authentication package for Laravel that issues API tokens and authenticates single-page applications, mo… | 96 | 2977 | stable |