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GitHub Open Source Repositories

Search: openapi3

Page 1

Showing 10 results from 511

fastapi/fastapi

GitHub Python MIT License

FastAPI framework, high performance, easy to learn, fast to code, ready for production

★ 99,687 Forks 9,478 fastapi Updated 26 Jun 2026

External source

GitHub

View Details → Open Source ↗

usebruno/bruno

GitHub JavaScript MIT License

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

★ 45,178 Forks 2,618 usebruno Updated 26 Jun 2026

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GitHub

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swagger-api/swagger-ui

GitHub JavaScript Apache License 2.0

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

★ 28,858 Forks 9,262 swagger-api Updated 26 Jun 2026

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GitHub

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OpenAPITools/openapi-generator

GitHub Java Apache License 2.0

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

★ 26,455 Forks 7,574 OpenAPITools Updated 26 Jun 2026

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GitHub

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Redocly/redoc

GitHub TypeScript MIT License

📘 OpenAPI/Swagger-generated API Reference Documentation

★ 25,778 Forks 2,387 Redocly Updated 26 Jun 2026

External source

GitHub

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swagger-api/swagger-codegen

GitHub Mustache Apache License 2.0

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

★ 17,762 Forks 5,978 swagger-api Updated 26 Jun 2026

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GitHub

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scalar/scalar

GitHub TypeScript MIT License

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

★ 15,365 Forks 881 scalar Updated 26 Jun 2026

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GitHub

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swagger-api/swagger-editor

GitHub JavaScript

Swagger Editor

★ 9,453 Forks 2,361 swagger-api Updated 26 Jun 2026

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GitHub

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oapi-codegen/oapi-codegen

GitHub Go Apache License 2.0

Generate Go client and server boilerplate from OpenAPI 3 specifications

★ 8,417 Forks 1,038 oapi-codegen Updated 26 Jun 2026

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GitHub

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mockoon/mockoon

GitHub TypeScript MIT License

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

★ 8,316 Forks 460 mockoon Updated 26 Jun 2026

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GitHub

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10 results on this page · 511 total found

Showing first 511 accessible GitHub results.