Ideas Grab - A list of +3400 ideas that you can get for your projects.
Wittycircle - Networking tool for entrepreneurs, makers and curious minds.
The 25 Days of Ideas - Free resources for coming up with startup ideas
Generating Product Ideas - Find ideas for your next business or side project
Validated ideas - List of 5,000 poorly executed but popular apps
Little Inventors - Turn children's ideas into reality