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Open Source API Clients using TanStack Router

A curated collection of the best open source client applications for interacting with and testing APIs. using TanStack Router.

Yaak

Fast, secure, offline API client with Git integration

Stars
18,823
Forks
782
Last commit
18 hours ago

A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

Open Source Alternative to:

Postman

Voiden

Build APIs like code with Git-native workspace

Stars
1,267
Forks
58
Last commit
3 days ago

Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Open Source Alternative to:

Postman

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit