OpinionX - Stack rank people's priorities in minutes with OpinionX's free ranking surveys.
Viable Fit - Measure and improve your product market fit
Maasive (gets you jobs) - Jobs & insights you can't find anywhere else.
Product Fit - Measure product/market fit in app with your users.
Delighted PMF - The easiest and fastest way to measure Product/Market Fit
Focus Framework - A hands on guide to find product-market fit w/ lean methods