alt Hacker NewsThat looks appealing but the existence of a Pricing page tells me it's just a matter of time.
I have a sense that a dumb Web API testing UI application is really not that hard to get AI to implement. These apps all look about the same for a reason. So maybe there will be a prevailing FOSS option that isn't trying to monetize.
Yaak creator here! The commercial-use license is my best attempt at aligning incentives between me and the user, while still funding the project's future.
FYI the license terms only apply to the prebuilt binaries. You can build and run from source for any use (including commercial), for free.
Happy to answer any questions as well.