Best Open Source API Clients using AWS in 2026

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
79,598
Forks
5,928
Last commit
2 days ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Postman

Bruno

Lightweight, fast, and open-source API client for developers

Stars
45,051
Forks
2,601
Last commit
19 hours ago

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Open Source Alternative to:

Postman

Voiden

Build APIs like code with Git-native workspace

Stars
1,212
Forks
54
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

Hoppscotch

Sleek, intuitive API development and testing platform

Stars
79,598
Forks
5,928
Last commit
2 days ago

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Open Source Alternative to:

Postman

Bruno

Lightweight, fast, and open-source API client for developers

Stars
45,051
Forks
2,601
Last commit
19 hours ago

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Open Source Alternative to:

Postman

Voiden

Build APIs like code with Git-native workspace

Stars
1,212
Forks
54
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

Open Source API Clients using AWS

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

Hoppscotch

Bruno

Voiden

Hoppscotch

Bruno

Voiden