I made a in-browser and linuxy habit tracker for developers
habitcracker.cc
habitcracker.cc
So, I created habitcracker.cc. It lets you add as many trackers as you want and adjust how they fit on your screen using grid columns (in "Settings").
Everything is stored locally in your browser; no APIs involved.
Please share your advice and suggestions on what else I can add to make it more user-friendly for everyone!
Give an upvote on ProductHunt if it's helpful for you https://www.producthunt.com/posts/habitcracker
Cheers!