Open-source rate-limiting software

231 open-source libraries, tools and applications tagged rate-limiting, ranked by how closely rate-limiting is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

231 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
Ricky-7-Yan/intelligent-audit-system AuditPilot is an enterprise AI agent workbench for audit delivery, combining evidence-grounded agentic RAG, governed tool execution, evalua…	57	1171	active
Exrick/xboot XBoot is a full-stack, front-end/back-end separated rapid development platform built on Spring Boot 2.x with a Vue + iView Admin front end.…	23	3895	maintenance
Ape Volo Admin Ape-Volo-Admin is an enterprise-grade RBAC permission management and admin backend solution built on .NET 8, SqlSugar ORM, and Vue 3 with E…	72	1107	active
fizzgate/fizz-gateway-node FizzGate is a Java-based cloud-native aggregation API gateway for microservice deployments, offering hot service orchestration, routing, au…	60	1078	active
snipeship/ccflare ccflare is a self-hosted multi-provider proxy for Anthropic and OpenAI APIs that routes requests by URL prefix, load-balances across multip…	50	1045	active
WSO2 API Manager WSO2 API Manager is a full open-source API management platform for designing, publishing, securing, and managing the lifecycle of APIs acro…	82	1040	active
beizhu-1209/AIHelms AIHelms is a self-hosted enterprise AI resource governance platform that provides a unified AI gateway for managing models from OpenAI, Azu…	79	1035	active
pingooio/pingoo Pingoo is a self-hosted load balancer, API gateway, and reverse proxy written in Rust, positioned as an open-source alternative to Cloudfla…	55	1035	active
fossasia/voxbento_translator A Flask-based HTTP API for real-time speech-to-text transcription and translation that accepts streamed audio chunks and routes them to plu…	71	1020	active
rmqtt/rmqtt RMQTT is a scalable, distributed MQTT message broker written entirely in safe Rust, supporting MQTT v3.1/v3.1.1/v5.0 with millions of concu…	97	1017	active
HFQR/xitca-web xitca-web is an async HTTP library and web framework written in 100% safe Rust, focused on memory efficiency, composability, and fast compi…	77	1012	active
Manba Manba is a RESTful HTTP API gateway written in Go that serves as a unified API access layer for microservices. It provides traffic control,…	23	3306	maintenance
motiv-labs/janus Janus is a lightweight, open-source API Gateway and management platform written in Go, distributed as a single binary. It handles authoriza…	23	2841	maintenance
orlabs/orange Orange is an API gateway built on OpenResty (Nginx + Lua) that provides API monitoring, management, and traffic control through a plugin-ba…	23	2306	maintenance
kanwangzjm/funiture A Java Spring-based web application demonstrating a wide range of backend components: permission management, system monitoring, dynamic Qua…	32	1864	maintenance
q2a/question2answer Question2Answer (Q2A) is a free, open-source PHP/MySQL platform for building question-and-answer websites, used by tens of thousands of sit…	23	1669	maintenance
Tameyer41/liftoff Liftoff is a web application that simulates technical mock interviews and provides AI-powered feedback using OpenAI Whisper for speech tran…	30	1524	maintenance
AIChat AIChatWeb is a fork of ChatGPT-Next-Web that adds user registration/login, quota management, invitations, sensitive-word filtering, payment…	30	1474	maintenance
v2ray-web-manager v2ray-web-manager is a self-hosted web panel and cluster solution for managing v2ray proxy services. It works as a transport-layer middlewa…	10	1430	maintenance
Viveckh/Veniqa Veniqa is a full-stack open-source e-commerce solution built on the MEVN stack (MongoDB, Express.js, Vue.js, Node.js), comprising API serve…	23	1191	maintenance
imiphp/imi imi is a PHP framework supporting long-connection microservices and distributed development, runnable under PHP-FPM, Swoole, Workerman, and…	79	1185	maintenance
Staart SaaS Starter Staart API is a Node.js/TypeScript SaaS backend starter built on NestJS, providing user management, authentication, billing via Stripe, org…	10	1160	maintenance
transitive-bullshit/agentic Agentic is a marketplace and hosted MCP gateway that turns any MCP server or OpenAPI service into a paid, production-ready MCP product with…	10	18103	abandoned
vibora-io/vibora Vibora is a fast, asynchronous Python 3.6+ HTTP client/server web framework with features like routing, sessions, websockets, caching, and …	10	5580	abandoned
chatpire/chatgpt-web-share A self-hosted web application for sharing a single ChatGPT Plus account among multiple users, with conversation isolation, usage quotas, an…	22	4275	abandoned
ayaka14732/ChatGPTAPIFree An open-source proxy API that lets users access OpenAI's ChatGPT API for free, with rate limiting and self-hosting support. The repository …	10	3322	abandoned
Apinto Goku API Gateway (goku_lite) is a high-performance HTTP API gateway written in pure Go, offering dynamic routing, service orchestration, mu…	23	3126	abandoned
ExpressGateway/express-gateway Express Gateway is a microservices API gateway built on Node.js and Express.js that secures, proxies, and manages APIs using Express middle…	23	3030	abandoned
h2non/toxy Toxy is a hackable HTTP proxy for Node.js that simulates server failures and adverse network conditions for resiliency testing. It injects …	10	2714	abandoned
strongloop/microgateway IBM API Connect Microgateway is an extensible Node.js-based API gateway framework for securing and controlling access to microservices and …	32	1186	abandoned
Nhost Hasura Backend Plus is a self-hosted service providing authentication (JWT, OAuth providers, MFA) and S3-compatible file storage APIs desig…	23	1169	abandoned