Do your apps work with macOS 11 Big Sur?
Timeless, Carbonize, Denied, Relax and Pipvid work as expected!
Make sure to check your spam folder (for all email addresses that you use) and search your mailbox for “FastSpring” and the name of the app.
If that didn’t turn up your license, send me an email and mention the app you bought, your full name and any other email addresses the app might be licensed to. Thanks!