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OpenSourceAlternatives

Tag

openapi

5 catalogue entries use this topic; each Project's license policy is labeled separately.

Insomnia

InsomniaAIOpen

Open-source API client for designing, testing, and mocking APIs

Stars40K
Commitjust now
LicenseApache-2.0

Insomnia is Kong's open-source desktop API client for designing, debugging, and testing REST, GraphQL, gRPC, and WebSocket APIs.

Alternative toPostman
Scalar

ScalarAIOpen

Open-source API client and docs generated from OpenAPI

Stars16.3K
Commitjust now
LicenseMIT

Scalar is an open-source API platform with an offline-first API client and interactive documentation rendered from the same OpenAPI document.

Alternative toPostman
Fumadocs

FumadocsOpen

Flexible React framework for building documentation sites

Stars13.3K
Commitjust now
LicenseMIT

Fumadocs is a React documentation framework that turns MDX content into fast docs sites with built-in search, theming, and OpenAPI support.

Alternative toDocusaurus
Mockoon

MockoonOpen

Open-source tool to design and run mock REST APIs locally

Stars8,439
Commitjust now
LicenseMIT

Mockoon is a free, open-source tool for designing and running mock REST APIs locally, with a desktop app, CLI, and Docker image for CI pipelines.

Alternative toPostman
xyd

xydOpen

Open-source framework for building ambitious documentation sites

Stars114
Commitjust now
LicenseMIT

xyd is an open-source documentation framework from LiveSession that turns MDX content and OpenAPI or GraphQL specifications into documentation sites with built-in themes, full-text search, plugins, and static builds.

Alternative toDocusaurus