domain: apis
2838 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| jazzband/djangorestframework-simplejwt Simple JWT is a JSON Web Token authentication plugin for the Django REST Framework. It provides token-based authentication for Django REST … | 70 | 4334 | stable |
| marmotedu/iam IAM is an enterprise-grade identity and access management system written in Go, used to authenticate users and authorize access to resource… | 28 | 4205 | active |
| simov/grant Grant is an OAuth proxy middleware for Node.js supporting 200+ OAuth providers across OAuth 1.0a, OAuth 2.0, and OpenID Connect. It integra… | 34 | 4169 | stable |
| esm-dev/esm.sh esm.sh is a no-build JavaScript CDN that serves npm, JSR, and GitHub packages as ES modules over HTTP URLs, transforming TypeScript, Vue, a… | 99 | 4158 | active |
| riok/mapperly Mapperly is a .NET source generator that automatically implements object-to-object mapping methods declared as partial methods, generating … | 82 | 4153 | active |
| ministackorg/ministack MiniStack is a free, MIT-licensed local AWS emulator that mimics 60+ AWS services (S3, SQS, SNS, DynamoDB, Lambda, EC2, RDS, ElastiCache, E… | 77 | 4140 | active |
| CSGHub CSGHub is an open-source, self-hostable platform for managing the full lifecycle of LLM assets including models, datasets, spaces, and agen… | 91 | 4097 | active |
| apache/dubbo-admin Dubbo Admin is the official visualization console and control plane for Apache Dubbo, implemented in Go with a Vue3 frontend. It lets opera… | 76 | 4062 | active |
| octelium/octelium Octelium is a free, open-source, self-hosted unified zero trust secure access platform built on Kubernetes. It can operate as a remote acce… | 86 | 4025 | active |
| alovajs/alova alova is a request strategy layer for JavaScript that provides 20+ ready-made strategies (pagination, forms, uploads, retries, caching) on … | 94 | 4014 | active |
| HiEventsDev/Hi.Events Hi.Events is an open-source event management and ticket-selling platform for concerts, conferences, festivals, and club nights, serving as … | 93 | 4001 | active |
| flippercloud/flipper Flipper is an open-source Ruby gem providing performant feature flags for Ruby and Rails applications, with support for enabling features p… | 89 | 3965 | stable |
| Lightning-AI/LitServe LitServe is a Python framework for building custom AI inference servers with full control over batching, routing, streaming, and scaling lo… | 92 | 3930 | active |
| symfony/contracts Symfony Contracts is a set of PHP interfaces, traits, and normative docblocks extracted from Symfony components, published as small per-dom… | 95 | 3927 | stable |
| Space and Time SDK Official SDKs (Python, Go, Node.js) for interacting with the Space and Time (SXT Chain) API, a decentralized data blockchain offering ZK-pr… | 42 | 3912 | active |
| middyjs/middy Middy is a Node.js middleware engine for AWS Lambda that lets developers attach modular, reusable middlewares (before/after/onError phases)… | 95 | 3903 | stable |
| tus/tusd tusd is the official reference implementation of the tus resumable upload protocol, written in Go and distributed as a single binary. It ac… | 90 | 3860 | stable |
| ibireme/yyjson yyjson is a high-performance JSON parsing and serialization library written in ANSI C (C89), capable of reading and writing gigabytes of JS… | 75 | 3849 | stable |
| ballerina-platform/ballerina-lang Ballerina is an open-source, cloud-native programming language optimized for integration, developed by WSO2, with built-in support for JSON… | 97 | 3847 | active |
| pimcore/pimcore Pimcore is an open core PHP framework and platform for Product Experience Management that unifies PIM, MDM, DAM, CDP, DXP/CMS, and digital … | 95 | 3837 | active |
| InfyOmLabs/laravel-generator InfyOm Laravel Generator is a PHP/Laravel package that generates complete CRUD scaffolding—migrations, models, controllers, repositories, r… | 23 | 3823 | active |
| Kotlin/dokka Dokka is an API documentation engine for Kotlin that understands KDoc and Javadoc comments in mixed-language projects. It generates documen… | 80 | 3805 | active |
| aws/aws-lambda-go The official AWS SDK library for writing AWS Lambda functions in Go, providing the lambda.Start handler registration, event type definition… | 79 | 3800 | stable |
| deanxv/coze-discord-proxy A self-hosted Go service that proxies conversations to a Coze-Bot on Discord, exposing OpenAI-compatible API endpoints (v1/chat/completions… | 58 | 3787 | stable |
| corazawaf/coraza OWASP Coraza is an open-source, enterprise-grade Web Application Firewall (WAF) library written in Go, compatible with ModSecurity SecLang … | 92 | 3761 | stable |
| upstash/jstack JStack is a lightweight, end-to-end typesafe framework for building fast Next.js 15 applications, built on Hono, Tailwind, and Drizzle ORM.… | 31 | 3751 | active |
| GMWalletApp/epusdt Epusdt (GM Pay) is a self-hosted, multi-chain crypto payment gateway written in Go that lets any website accept USDT, USDC, and other token… | 96 | 3750 | active |
| grammyjs/grammY grammY is an open-source framework for building Telegram bots in TypeScript or JavaScript, running on Node.js, Deno, and even browsers. It … | 99 | 3722 | active |
| 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 |
| 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 |
| 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 |
| open-wa/wa-automate-nodejs A Node.js/TypeScript toolkit that turns a WhatsApp account into an HTTP API, bot runtime, webhook bridge, plugin host, and MCP server by au… | 78 | 3649 | active |
| TelegramBots/Telegram.Bot Telegram.Bot is the most popular .NET client library for the Telegram Bot API, letting developers build Telegram chatbots in C#. It support… | 79 | 3643 | active |
| 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 |
| speaches-ai/speaches Speaches is an OpenAI API-compatible self-hosted server for speech-to-text (via faster-whisper), translation, and text-to-speech (via Kokor… | 78 | 3621 | active |
| 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 |
| 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 |
| microsoft/mcp Microsoft's official catalog and monorepo of MCP (Model Context Protocol) server implementations, including Azure MCP and Microsoft Fabric … | 86 | 3604 | active |
| Mouseww/anything-analyzer An Electron-based all-in-one protocol analysis toolkit that captures HTTP(S) traffic from browsers, desktop apps, terminals, scripts, and m… | 77 | 3586 | 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 |
| 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 |
| 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 |
| chaskiq/chaskiq Chaskiq is a full-featured, source-available live chat, support, and marketing platform serving as an alternative to Intercom, Drift, and C… | 63 | 3561 | active |
| 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 |
| wevm/viem Viem is a TypeScript library providing low-level, stateless primitives for interacting with Ethereum, serving as a modern alternative to et… | 95 | 3544 | active |
| juggleim/im-server JuggleIM is a self-hosted, high-performance instant messaging server written in Go, using a Protobuf + WebSocket long-connection protocol w… | 90 | 3540 | active |
| unitycatalog/unitycatalog Unity Catalog is an open-source, multimodal data and AI catalog that provides a unified metadata and governance layer for tables, files, fu… | 86 | 3501 | 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 |
| HanaokaYuzu/Gemini-API A reverse-engineered asynchronous Python client library for Google's Gemini web app (formerly Bard), published as gemini-webapi on PyPI. It… | 92 | 3437 | active |
| Grt1228/chatgpt-java An unofficial Java SDK for the OpenAI API covering all official endpoints including chat completions (GPT-3.5/GPT-4), DALL-E image generati… | 21 | 3423 | 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 |
| shopware/shopware Shopware 6 is an open-source headless commerce platform built on Symfony 7 and Vue.js 3, providing storefront, product catalog, checkout, C… | 95 | 3408 | stable |
| unpkg/unpkg unpkg is a global content delivery network that serves any file from any npm package via simple URLs like unpkg.com/package@version/file. T… | 77 | 3406 | active |
| 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 |
| WPPConnect WPPConnect is a Node.js/TypeScript library that exports WhatsApp Web functionality via Puppeteer, enabling message sending, session managem… | 99 | 3401 | active |
| endoflife-date/endoflife.date A community-maintained website that aggregates end-of-life dates and support lifecycles for hundreds of products, including operating syste… | 77 | 3360 | active |
| bojand/ghz ghz is a command-line utility and Go package for benchmarking and load testing gRPC services. It supports unary, streaming, and duplex call… | 73 | 3348 | 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 |
| 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 |
| ahmetoner/whisper-asr-webservice A Dockerized REST webservice that wraps OpenAI Whisper (plus Faster Whisper and WhisperX engines) for automatic speech recognition. It expo… | 93 | 3326 | active |
| irazasyed/telegram-bot-sdk A PHP SDK for the Telegram Bot API that simplifies building Telegram bots, with first-class Laravel support out of the box. It provides mul… | 80 | 3303 | 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 |
| 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 |
| 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 |
| giancarloerra/SocratiCode SocratiCode is a codebase context engine distributed as an MCP server, Claude Code plugin, and VS Code extension that indexes code, depende… | 81 | 3276 | 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 |
| cita-777/metapi Metapi is a self-hosted meta-aggregation gateway that unifies multiple AI relay/proxy sites (New API, One API, OneHub, DoneHub, Veloera, et… | 72 | 3240 | active |
| 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 |
| 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 |
| 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 |
| nesaorg/nesa Nesa is a privacy-preserving AI inference platform that runs models like Llama, Mistral, and Stable Diffusion with end-to-end encryption us… | 24 | 3167 | 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 |
| cel-expr/cel-go cel-go is a Go implementation of the Common Expression Language (CEL), a fast, portable, non-Turing complete expression language with gradu… | 99 | 3085 | stable |
| RevenueCat SDK RevenueCat's open-source client SDKs (purchases-ios, react-native-purchases) that wrap StoreKit and Google Play Billing to simplify impleme… | 95 | 3057 | 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 |
| envoyproxy/gateway Envoy Gateway is an open-source control plane that manages Envoy Proxy as a standalone or Kubernetes-based application gateway, using Kuber… | 99 | 2990 | stable |
| kubernetes-sigs/gateway-api Kubernetes Gateway API is the official successor to Ingress, providing a role-oriented, expressive specification and CRDs for L4/L7 routing… | 93 | 2978 | stable |
| laravel/sanctum Laravel Sanctum is a featherweight authentication package for Laravel that issues API tokens and authenticates single-page applications, mo… | 96 | 2977 | stable |
| appleboy/gin-jwt A JWT authentication middleware for the Gin web framework in Go, built on golang-jwt/jwt. It provides login handling, token refresh, and ro… | 91 | 2973 | active |
| MacPaw/OpenAI A community-maintained Swift package that wraps the OpenAI public API, supporting chat completions, responses, function calling, MCP tools,… | 94 | 2935 | active |
| yunionio/cloudpods Cloudpods is an open-source, Golang-based cloud-native unified multi/hybrid-cloud platform ('a cloud on clouds') that manages on-premise KV… | 77 | 2935 | active |
| aspnetboilerplate/aspnetboilerplate ASP.NET Boilerplate (ABP) is an open-source application framework for building modern web applications on ASP.NET Core and EF Core, with bu… | 93 | 12003 | maintenance |
| hapijs/boom @hapi/boom is a Node.js library for creating HTTP-friendly error objects with status codes, payloads, and formatting helpers. It is part of… | 66 | 2923 | stable |
| dittofeed/dittofeed Dittofeed is an open-source, omni-channel customer engagement platform for sending transactional and marketing messages via email, SMS, mob… | 74 | 2914 | active |
| google/osv.dev OSV (Open Source Vulnerabilities) is Google's open, distributed vulnerability database and triage service that aggregates security advisori… | 84 | 2901 | stable |
| seakee/CPA-Manager-Plus A self-hosted management panel and observability dashboard for CLIProxyAPI (CPA) AI gateways, built in Go. It tracks requests, usage, cost,… | 81 | 2895 | active |
| ljlm0402/typescript-express-starter An interactive CLI generator that scaffolds production-ready TypeScript Express REST API projects with a configurable stack. It offers 10+ … | 82 | 2873 | active |
| Soju06/codex-lb A self-hosted load balancer and proxy for ChatGPT/Codex accounts that pools multiple accounts behind OpenAI-compatible endpoints. It includ… | 78 | 2867 | active |
| go-dev-frame/sponge Sponge is a Go development framework built on a 'Definition is Code' philosophy that generates modular backend code from SQL, Protobuf, and… | 67 | 2862 | active |
| LyricTian/gin-admin A full-featured RBAC admin scaffolding framework for Go built on Gin, GORM 2.0, Casbin 2.0, and Wire dependency injection. It ships with JW… | 34 | 2856 | active |
| dotnetcore/osharp OSharp is a rapid development framework for .NET 6.0+ that wraps AspNetCore modules such as configuration, dependency injection, logging, c… | 62 | 2847 | active |
| event-catalog/eventcatalog EventCatalog is an open-source documentation tool purpose-built for software architecture, letting teams document domains, services, events… | 95 | 2841 | active |
| TheSmallHanCat/flow2api Flow2API is a self-hosted Python/FastAPI service that exposes an OpenAI- and Gemini-compatible API on top of Google Flow (VideoFX/ImageFX) … | 60 | 2834 | active |
| s3rius/FastAPI-template A feature-rich, highly configurable project generator (published as fastapi_template on PyPI) that scaffolds production-ready FastAPI appli… | 85 | 2823 | active |
| kcp-dev/kcp kcp is a horizontally scalable, Kubernetes-like control plane that provides many isolated 'workspaces', each acting as its own lightweight … | 96 | 2816 | active |
| PowerDNS-Admin/PowerDNS-Admin PowerDNS-Admin is a self-hosted web interface for managing the PowerDNS Authoritative Server. It provides DNS zone and record management wi… | 98 | 2803 | active |
| teaql/teaql-agent-kit TeaQL Agent Kit is a model-mediated harness for coding agents that inserts an inspectable, executable domain model (KSML) between requireme… | 87 | 2801 | active |
| beilunyang/moemail MoeMail is a self-hostable temporary (disposable) email service with a cute web UI, built on Next.js and the Cloudflare stack (Pages, Worke… | 83 | 2799 | active |