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A developer replaced personal tracking spreadsheets with NoSheetKit, a suite of small focused web apps built with Next.js, Tailwind CSS, and shadcn/ui. Each mini-app handles one task (loans, birthdays, domains, bookmarks, tasks, collections) and stores data in localStorage with no backend or signup required. Optional Google Drive integration enables cold backups. Key architectural decisions include choosing localStorage over IndexedDB for simplicity, cold backup over live sync to avoid conflict resolution, and keeping each app fully independent with no global state manager.

I replaced my personal tracking spreadsheets with mini-apps I built myself

Self-hosted refers to the practice of running your own applications and services on your own servers or devices, giving you full control over your data and how it is managed.

selfhosted

Built this to replace my personal tracking spreadsheets. No backend, no signup — data stays in your browser.

What do you still track in spreadsheets that deserves a proper app?

Built this to replace my personal tracking spreadsheets. No backend, no signup — data stays in your browser.

What do you still track in spreadsheets that deserves a proper app?

localStorage over IndexedDB is right until you hit the ~5MB quota wall, hit that on a similar side project and ended up splitting blob-heavy stuff into IndexedDB while keeping metadata in localStorage. cold backup instead of live sync is the underrated choice too, conflict resolution is where solo tools like this usually die.

Would versioning each mini-app’s schema keep old ZIP backups importable after later app changes?

i love it, i want to work on it and add some new tools, do you accept contributions ?