Job application tracker that gives you role details at a glance, emails you practice interview questions and helps with cover letters
https://rolerecall.com
Unraid is brilliant if you're interested in BYO hardware. It can be setup with mix and match drives, supports docker and virtual machines. Realistically it's a bit more work than Synology to get up and running, but once it is, the only thing you really need to do is update the software from time to time