Try Bruno - https://github.com/usebruno/bruno - Free and Opensource IDE for exploring and testing APIs - It is lightweight with MIT license - Bruno stores your collections directly in a folder on your filesystem - Use git for collaboration - No cloud sync. Fully offline. PS: I am the creator of this project
With postman when I could use their interceptor extension on the browser, that would transfer cookies (from when I was logged into an app that was running locally) onto any of postman's requests. That was very convenient.