compare

ATAC vs Yaak

The same facts for both, read from GitHub every night, and the relation a person reviewed.

ATAC vs Yaak
Fact	ATAC	Yaak
Language	Rust	TypeScript
Licence	MIT	MIT
Stars	3.7k	19k
Latest	v0.23.1	v2026.8.1
Last push	2026-09-03	2026-10-06
Release cadence	about 75 days between releases	too few releases
Active contributors	2 commit authors on the default branch in the last 90 days	12 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Postman. Alternatives to Postman →
PartialATACA terminal UI client that imports Postman collections, without an account.
Full replacementYaakREST, GraphQL, gRPC and WebSocket requests in a desktop app, with no account needed.