Depending on your country, depends on the software it offers to install. About the other threads wasn't nessarily about the software (and it mentions more than facemoods), but the reasons behind including it. There won't be a paid version of this software. If your wanting to contribute you can donate some money via out mainpage
http://jdownloader.org . As this project has significant costs it needs to derive income.
Disable avira, install, re-enable avira