Take The Bait - A blog about building your MVP & finding your first customer
Startup Toolkit - Interactive how-to guides to launch your startup
Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.
HVAC Toolkit - HVAC ToolKit is an easy-to-use app to assist engineers.
Launch Library - Hundreds of resources on how to launch literally anything
IT Tools - IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.