i've been working on Cannery, an open source, self-hosted ammo management website where all your data stays with you.
if this is interesting to you, you can find setup instructions and the source code here: https://gitea.bubbletea.dev/shibao/cannery
also if you're multilingual, translations for Cannery are needed! visit the weblate for more: https://weblate.bubbletea.dev/engage/cannery/
A full blown adventure game written entirely in CSS!