Requests for Startups - A place to discover ideas that VCs & angels want to fund
Flare by GoDaddy - Discover, give feedback and support startup ideas
Request for Startup - Share and discover great startup ideas people actually want
Wittycircle - Networking tool for entrepreneurs, makers and curious minds.
#RequestForProduct - A crowdsourced directory of product ideas people wish exist.
Generating Product Ideas - Find ideas for your next business or side project