Idea Hunt - Solve specific challenges for your favorite products
Startup Growth Roadmap - Get from idea to product market fit
OpenVC - 2200+ VC firms by thesis to find 'best fit' for your startup
OpinionX - Stack rank people's priorities in minutes with OpinionX's free ranking surveys.
Idealist - Volunteer, work, and intern job search
Product Fit - Measure product/market fit in app with your users.