Spinym - Ask questions anonymously
Renoise - Renoise is a digital audio workstation.
Startups Anonymous - Anonymously ask questions and share stories. AA for Startups
DJ Mix Studio - DJ Mix Studio is full-featured and complete audio mixing software for both professional and novice DJ. DJ Mix Studio's innovative feature set, and user friendly interface will insure that you perform great audio mixes.
Wisdo - Learn from people who’ve been there
Alitu - Your automated podcast producer - edit, brand, publish