Everfest - A global calendar and search engine for festivals
DATEnhance - upload a couple of pictures, and go on to rate others.
Find your best festival - Compare the music you follow with 100s of festival lineups
Photofeeler - Choose your profile photos using hard data
Hootenanny - Find music festivals featuring artists you love.
Snappr Photo Analyzer - AI that tells you if your profile pic is actually any good