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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)

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Stars
 (26,243 stars)
Forks
 (7,516 forks)
Indexed issues
 (55 indexed issues)
open beginner issues
 (53 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
May 14, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
Java
PR merge metrics
 (Avg merge 9d 1h) (123 merged PRs in 30d)
Beginner labels
help wantedhacktoberfestgood first issue

Issues

53 open indexed issues

Open
[REQ] sbt plugin for OpenAPI Generator
Enhancement: FeatureHacktoberfestOpenAPI Generator SBT Pluginhelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #3650 · Aug 15, 2019 · Java · 26,243 stars

18 comments0 reactions1 assignee
Open
[REQ] Add support for C# Refit
Enhancement: FeatureHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #3581 · Aug 7, 2019 · Java · 26,243 stars

11 comments24 reactions0 assignees
Open
Add support for `async-rest`?
Client: RubyEnhancement: New generatorHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #3565 · Aug 6, 2019 · Java · 26,243 stars

5 comments0 reactions0 assignees
Open
Remove/Update threetenbp dependency
Enhancement: CompatibilityHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #3258 · Jul 1, 2019 · Java · 26,243 stars

11 comments0 reactions0 assignees
Open
New TypeScript Koa2 server generator
Enhancement: New generatorHacktoberfestServer: TypeScripthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #3011 · May 27, 2019 · Java · 26,243 stars

3 comments1 reaction0 assignees
Open
[BUG] scala-akka issues
Client: ScalaHacktoberfestIssue: Bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #2684 · Apr 17, 2019 · Java · 26,243 stars

1 comment0 reactions0 assignees
Open
Enhancement to the C client generator
Client: CEnhancement: GeneralHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #1473 · Nov 16, 2018 · Java · 26,243 stars

12 comments1 reaction0 assignees
Open
Add "servers" support to generators
Enhancement: FeatureFeature: OAS 3.0 spec supportHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #1361 · Nov 1, 2018 · Java · 26,243 stars

1 comment0 reactions0 assignees
Open
[New Generator] Reason ML client generator
Client: Reason MLEnhancement: New generatorHacktoberfesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

OpenAPITools / openapi-generator · #1320 · Oct 26, 2018 · Java · 26,243 stars

1 comment0 reactions0 assignees