Seedproof - Get feedback for your startup ideas 🔥
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.
Request for Startup - Share and discover great startup ideas people actually want
FlipToMind - Space repetition app to help you remember everything
Infinideas - Infinite feed of crowdsourced ideas from the web
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.