Use offlineimap to automatically sync your email account data for backup. Set up time, 10 minutes.
This shell script provides quick SSH shortcuts, and displays a configurable terminal background color while connected.
Trac has been around for a long time. I was using it before git existed. It's been stable and reliable all this time. Unlike all the big bloated tools out there these days like GitLab and Jira, Trac runs quite well on the cheapest virtual servers you can rent.