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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
Jul 5, 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

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Open
[REQ] sbt plugin for OpenAPI Generator
Enhancement: FeatureHacktoberfestOpenAPI Generator SBT Pluginhelp wanted

OpenAPITools/openapi-generator #3,650 opened Aug 15, 2019 · Java · 26,243 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
18 comments0 reactions1 assignee
Open
[REQ] Add support for C# Refit
Enhancement: FeatureHacktoberfesthelp wanted

OpenAPITools/openapi-generator #3,581 opened Aug 7, 2019 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #3,565 opened Aug 6, 2019 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #3,258 opened Jul 1, 2019 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #3,011 opened May 27, 2019 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #2,684 opened Apr 17, 2019 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #1,473 opened Nov 16, 2018 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #1,361 opened Nov 1, 2018 · Java · 26,243 stars

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

OpenAPITools/openapi-generator #1,320 opened Oct 26, 2018 · Java · 26,243 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees