MP3Guard: This program is for musicians who want to sell or distribute mp3 files online. This program will encrypt your mp3 files . This includes an MP3 player for playing the MP3 files. Users cannot copy your files.
ShareGuard: This program is for Shareware developers who want to protect their software and increase revenues. This is a complete software copy protection system for shareware developers. Allows for muliple protection and software delivery methods.