Python script that backups all files in a folder into another folder. It checks for changes (creation, modification, deletion) every 10 seconds.
Python script that (1) gets your external IP, (2) creates and html page that redirects to your computer and (3) uploads it to a ftp server. Repeats all those actions every five minutes. (Requires ipgetter by Phoemur https://github.com/phoemur/ipgetter)