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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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 (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
[PHP] Yii 2 support
Enhancement: New generatorHacktoberfestServer: PHPhelp wanted

OpenAPITools/openapi-generator #974 opened Sep 5, 2018 · Java · 26,243 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
[Java] Add proper support for allOf anyOf oneOf
Client: JavaEnhancement: FeatureFeature: Composition / InheritanceHacktoberfestServer: Javahelp wanted

OpenAPITools/openapi-generator #634 opened Jul 24, 2018 · Java · 26,243 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
21 comments17 reactions0 assignees
Open
[New Generator] Lisp client generator
Client: LispEnhancement: New generatorHacktoberfesthelp wanted

OpenAPITools/openapi-generator #533 opened Jul 11, 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
[Server] support interface and implementation classes for API controllers
HacktoberfestServer: AdaServer: C++Server: C-SharpServer: CeylonServer: EiffelServer: ElixirServer: ErlangServer: GoServer: HaskellServer: JavaServer: KotlinServer: NodejsServer: PHPServer: PerlServer: PythonServer: RubyServer: ScalaServer: Springhelp wanted

OpenAPITools/openapi-generator #426 opened Jul 1, 2018 · Java · 26,243 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
11 comments20 reactions0 assignees
Open
HMAC Authentication Support
Feature: AuthenticationGeneral: SuggestionHacktoberfesthelp wanted

OpenAPITools/openapi-generator #399 opened Jun 26, 2018 · 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
New Generator: VB.net, Visual Basic client
Client: VB/VB.netEnhancement: New generatorHacktoberfesthelp wanted

OpenAPITools/openapi-generator #293 opened Jun 13, 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
Vert.x Web Client & Server code generator
Enhancement: New generatorFeature: GeneratorHacktoberfesthelp wanted

OpenAPITools/openapi-generator #115 opened May 20, 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
Enum in array of array
Hacktoberfesthelp wanted

OpenAPITools/openapi-generator #105 opened May 18, 2018 · 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