Ideas Grab - A list of +3400 ideas that you can get for your projects.
Idea Hunt - Solve specific challenges for your favorite products
Idealist - Volunteer, work, and intern job search
Board of Innovation - Adapt to the Low Touch Economy
OpenVC - 2200+ VC firms by thesis to find 'best fit' for your startup
The 25 Days of Ideas - Free resources for coming up with startup ideas