Abundant Music - Generate royalty free music with a simple but very powerful procedural music creator
Phontabulous - Fun, private, secure photo party with your friends
AIVA - The AI composing emotional soundtrack music
Vecihi - Build your own photo sharing app in 5 minutes
WolframTones - Listen to what I just found in the WolframTones music universe
100 Days of Wordplay - 100 Day Project - 100 mini crossword puzzles