Compare software

Yaak vs httpYac: catalog facts
Yaak	httpYac
Freemium Yaak is MIT licensed and free to build and use. Development is funded by…	Free Free to use.
Windows, macOS, Linux	Command line
Requests are stored as files on your machine, so a git repository is the shared collection REST, GraphQL, gRPC, WebSocket and Server-Sent Events in one client	Plain-text request files that fit in version control REST, SOAP, GraphQL and gRPC in one tool
A much younger project than Postman, with a smaller community No hosted collaboration features if that is what you actually want	No standalone graphical app; works through the CLI or VS Code Scripting requires familiarity with Node.js
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.