1.OpenAPITools / openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
+91 stars
from 26,753 · score 4.52
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Ranked by Attention Score: stars gained over the last 30 complete days
7 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
2.standard-webhooks / standard-webhooks
The Standard Webhooks specification
+30 stars
from 1,756 · score 3.43
3.microcks / microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
+23 stars
from 2,050 · score 3.18
4.membrane / api-gateway
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
+12 stars
from 644 · score 2.56
5.springdoc / springdoc-openapi
Library for OpenAPI 3 with spring-boot
+7 stars
from 3,736 · score 2.08
6.networknt / light-4j
A fast, lightweight and more productive microservices framework
+4 stars
from 3,672 · score 1.61
7.OpenAPITools / openapi-diff
Utility for comparing two OpenAPI specifications.
+3 stars
from 1,096 · score 1.39