Viable Fit - Measure and improve your product market fit
Flare by GoDaddy - Discover, give feedback and support startup ideas
OpinionX - Stack rank people's priorities in minutes with OpinionX's free ranking surveys.
Wittycircle - Networking tool for entrepreneurs, makers and curious minds.
Product Fit - Measure product/market fit in app with your users.
Little Inventors - Turn children's ideas into reality