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)
+274 stars
from 26,570 · score 5.62
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
18 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.microcks / microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
+75 stars
from 1,998 · score 4.33
3.standard-webhooks / standard-webhooks
The Standard Webhooks specification
+73 stars
from 1,713 · score 4.30
4.discord-jda / JDA
Java wrapper for the popular chat & VOIP service: Discord https://discord.com
+43 stars
from 4,656 · score 3.78
5.gravitee-io / gravitee-api-management
Gravitee.io - OpenSource API Management
+32 stars
from 434 · score 3.50
6.membrane / api-gateway
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
+29 stars
from 627 · score 3.40
7.OpenAPITools / openapi-diff
Utility for comparing two OpenAPI specifications.
+11 stars
from 1,088 · score 2.48
8.apache / logging-flume
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data
+10 stars
from 2,562 · score 2.40
9.Atsumeru-xyz / Atsumeru
Free self-hosted mangas/comics/light novels media server
+8 stars
from 187 · score 2.20
10.sashirestela / simple-openai
A Java library to use the OpenAI Api in the simplest possible way.
+7 stars
from 374 · score 2.08
11.authorjapps / zerocode
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.
+6 stars
from 1,010 · score 1.95
12.wso2 / product-ei
An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.
+5 stars
from 398 · score 1.79
13.xnbox / DeepfakeHTTP
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
+4 stars
from 520 · score 1.61
14.Erudika / para
Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)
+2 stars
from 572 · score 1.10
15.jmapper-framework / jmapper-core
Elegance, high performance and robustness all in one java bean mapper
+2 stars
from 245 · score 1.10
16.synthesized-io / jdbcrest
Java reimplementation of PostgREST
+2 stars
from 11 · score 1.10
17.mzivkovicdev / spring-crud-generator
Generate production-ready Spring Boot backend boilerplate from a single YAML or JSON spec.
+1 stars
from 38 · score 0.69
18.apitally / apitally-javaArchived
Simple API monitoring & analytics for Java web apps
+1 stars
from 6 · score 0.69