Request for Startup - Share and discover great startup ideas people actually want
Requests for Startups - A place to discover ideas that VCs & angels want to fund
#RequestForProduct - A crowdsourced directory of product ideas people wish exist.
The 25 Days of Ideas - Free resources for coming up with startup ideas
Entrepreneur List - A curated library of entrepreneurship knowledge to help entrepreneurs grow a business.
Idealist - Volunteer, work, and intern job search