AWS/Route53 provides a fully featured and configurable DNS service for a reasonable price. This makes it good choice for your Dynamic DNS setup. However Route53 is not yet well supported by the usual DDNS clients. The ddns-updater tool closes this gap.
Did you ever wonder what is inside a file. The FileScanner tool is capable to detect and decode several file formats even recursively. Data structures can be inspected in detail. Contained data can be viewed or exported.
Tired from looking up the monstrous openssl docs everytime I had to handle one of my certificates, I decided to make my life easier. The result is the Certificate Manager tool available for download now.