Here’s something different. I use several external USB drives with mergeFS + EXT4 to backup my file server (LVM + EXT4).

Never trust a web app with a pdf that contains sensitive data.

Word of warning for those looking to host their own. Last I checked Ipfs is not an anonymous network. Not sure how, or even if, this is addressed in the project. A little info on this would be nice.

If you enjoy over engineering things check out beancount (or ledger/hledger)!

Hyperboria is using cjdns to connect local mesh networks to each other.

https://hyperboria.net/

https://projectmeshnet.github.io/