Well, uFincs is a PWA, so you could 'install' it that way. We send a little in-app notification whenever a new update is pushed, so you could theoretically just ignore those and never update to keep using that one version of uFincs forever (assuming your browser never decides to update it otherwise).

But yeah, in terms of more standalone distribution and sandboxing, that's where the future desktop/mobile apps would be more appropriate. Of course, they'd be Electron-esque, but that would at least fulfill my end-goals of being privacy-first, offline-first, and providing 'long-term' software.

I feel like this is a great use-case for WASM, being able to push down fully features apps that can run locally.