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OpenSourceAlternatives

Tag

rest

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

Bruno

BrunoOpen

Open-source API client that stores collections as plain-text files

Stars47.3K
Commitjust now
LicenseMIT

Bruno is an open-source desktop API client that stores collections as plain-text Bru files on your filesystem, so teams can version them in Git.

Alternative toPostman
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
Yaak

YaakOpen

Local-first desktop API client for REST, GraphQL, gRPC, and more

Stars19.3K
Commitjust now
LicenseMIT

Yaak is a local-first desktop API client from the creator of Insomnia, with MIT-licensed source code. It sends REST, GraphQL, gRPC, WebSocket, and Server-Sent Events requests from native apps on macOS, Windows, and Linux.

Alternative toPostman
Firecamp

Firecamp

Open-source API client for REST, GraphQL, and WebSocket testing

Stars2,618
Commit6mo ago
LicenseAGPL-3.0-only

Firecamp is a free, open-source API development client for testing REST, GraphQL, WebSocket, and SocketIO endpoints from one desktop or web app.

Alternative toBrunoPostman
Voiden

VoidenOpen

Offline, Git-native API workspace in plain Markdown

Stars1,807
Commitjust now
LicenseApache-2.0

Voiden is an offline, Git-native API workspace that keeps requests, tests, notes, and documentation together in plain-text .void files.

Alternative toPostman