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OpenAPI Generator

Ch 087.4of 33 Code Generators
  1. 1Runs onLinux, Mac, self-hosted, Web, Windows
  2. 2CostsFree plan
  3. 3Project scaffoldingYes
  4. 4Custom templatesYes
  5. 5Schema-to-code generationYes
  6. 6CLI availableYes
  7. 7IDE pluginsYes
  8. 8Supported languagesActionScript, Ada, Apex, Bash, C, C#, C++, Clojure, Crystal, Dart, Elixir, Elm, Eiffel, Erlang, F#, Go, Groovy, Haskell, Java, JavaScript, Julia, Kotlin, Lua, Nim, Objective-C, OCaml, Perl, PHP, PowerShell, Python, R, Ruby, Rust, Scala, Swift, TypeScript, Xojo
8 lines stated Written from the maker's own pages: openapi-generator.tech
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The OpenAPI Generator homepage

Overview

OpenAPI Generator is ranked #8 of 33 in code generators on Specifiction. It runs on Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

OpenAPI Generator plans and pricing

All plans
OpenAPI Generator Free Open source generator for API clients, server stubs, documentation, and configurations openapi-generator.tech · 29 Sept 2026

Compared on code generators

Free plan
Yesopenapi-generator.tech
Project scaffolding
Yesopenapi-generator.tech
Custom templates
Yesopenapi-generator.tech
Schema-to-code generation
Yesopenapi-generator.tech
CLI available
Yesopenapi-generator.tech
IDE plugins
Yesopenapi-generator.tech
Supported languages
ActionScript, Ada, Apex, Bash, C, C#, C++, Clojure, Crystal, Dart, Elixir, Elm, Eiffel, Erlang, F#, Go, Groovy, Haskell, Java, JavaScript, Julia, Kotlin, Lua, Nim, Objective-C, OCaml, Perl, PHP, PowerShell, Python, R, Ruby, Rust, Scala, Swift, TypeScript, Xojoopenapi-generator.tech

Facts

Purpose
Generates clients, servers, and documentation from OpenAPI 2.0 and 3.x documents.openapi-generator.tech · 29 Sept 2026
Client generators
The homepage states it has 50+ client generators.openapi-generator.tech · 29 Sept 2026
Server generators
It can generate server stubs for 40+ languages and technologies, including Java, Kotlin, Go, and PHP.openapi-generator.tech · 29 Sept 2026
Other outputs
It includes generators for Apache2 configuration, MySQL, GraphQL schemas, and documentation formats such as HTML and Cwiki.openapi-generator.tech · 29 Sept 2026
OpenAPI conversion
It supports generating newer JSON or YAML OpenAPI 3.x documents from OpenAPI 2.0.openapi-generator.tech · 29 Sept 2026
Customization
Users can replace templates with Mustache templates, provide additional files and extensions through configuration, or create custom generators.openapi-generator.tech · 29 Sept 2026
Integrations
The project documents Gradle, Maven, sbt, Bazel, GitHub, and CI/CD integrations; Cake is a third-party add-in.openapi-generator.tech · 29 Sept 2026
Installation
The CLI can be installed through npm, Homebrew, Scoop, PyPI, Docker, JAR, JBang, or a Bash launcher script.openapi-generator.tech · 29 Sept 2026
Supported operating systems
The installation page lists Linux, macOS, and Windows support for npm, PyPI, Docker, JAR, and JBang; Homebrew is listed for macOS and Scoop for Windows.openapi-generator.tech · 29 Sept 2026
Runtime requirement
The JAR installation requires at least Java 11.openapi-generator.tech · 29 Sept 2026
Community support
The project describes an active Slack community of users, contributors, and core team members for guidance and questions.openapi-generator.tech · 29 Sept 2026
Sponsorship
The project invites individual and company sponsorship through Open Collective.openapi-generator.tech · 29 Sept 2026

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Where it ranks on Specifiction

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