Validated ideas - List of 5,000 poorly executed but popular apps
Logo Foundry - Logo Foundry is a professional Logo Design Suite App for Android and iOS that let's you create professional branding for your business in Minutes.
Burner Page - Validate ideas with burner pages in < 60 seconds
Looka - Make a logo you’ll love with Looka Logo Maker.
Talk to Customer - Validate your idea with potential customers in 3 steps
Canva Logo Maker - Create your own custom logos without having to hire a designer with Canva's impressively easy to use logo maker. Completely free, completely online.