What are some open-source software you'd like everyone to know about?

https://reddthat.com/post/18847149

KepassXC for PC and KeepassDX for Android phones.

I personally would recommend it over Bitwarden since with Bitwarden you NEED internet to access your passwords, and even if is open source, i canmot trust it, security breaches can happen in any time, hsving your vault locally stored helps a lot.

There are more but i can’t Remember them right now.

These would also be my top two. Absolutely essential pieces of kit IMO.
Hoe do you sync it? I’ve been meaning to make the switch to these for a long time now, but still not gotten around to it.
I use syncthing (mentioned below)