1.QuantumNous / new-api
Open-source AI gateway. Self-hosted LLM gateway with OpenAI-, Claude- and Gemini-compatible APIs, model routing, access control, usage tracking and cost accounting.
+20,592 stars
from 30,550 · score 9.93
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Ranked by Attention Score: stars gained over the last 180 complete days
15 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.Kong / kong
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3.apache / apisix
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from 16,463 · score 6.71
4.istio / istio
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from 37,959 · score 6.26
5.TykTechnologies / tyk
Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)
+209 stars
from 10,664 · score 5.35
6.YMFE / yapi
YApi 是一个可本地部署的、打通前后端及QA的、可视化的接口管理平台
+142 stars
from 27,557 · score 4.96
7.wso2 / product-apim
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+70 stars
from 972 · score 4.26
8.gravitee-io / gravitee-api-management
Gravitee.io - OpenSource API Management
+62 stars
from 404 · score 4.14
9.NatLabRockies / api-umbrella
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+49 stars
from 2,154 · score 3.91
10.apioo / fusio
Self-Hosted API Management for Builders
+49 stars
from 2,079 · score 3.91
11.webonyx / graphql-php
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript
+15 stars
from 4,693 · score 2.77
12.zuplo / mockbin
Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses
+9 stars
from 134 · score 2.30
13.jkaninda / goma-gateway
Goma Gateway – Lightweight, High-Performance API Gateway and Reverse Proxy with declarative config, robust middleware, and support for REST, GraphQL, TCP, UDP, and gRPC.
+7 stars
from 177 · score 2.08
14.zalando / zally
A minimalistic, simple-to-use API linter
+4 stars
from 941 · score 1.61
15.hashmap-kz / relimpact
Fast API compatibility reports for Go projects
+3 stars
from 10 · score 1.39