TurboSquid - TurboSquid offers 3D models for professionals.
Better Notes - Simple notes app that ties notes together with #hashtags
STLFinder - The 3d models search engine.
Whimsical - The visual workspace for teams.
3DOcean - 3D Models & Accessories From $1 for 3D Models, Textures, Materials & Shaders, 2D Concepts...
Great F*cking Startup Advice - Strongly worded suggestions for startup founders