Startup Rocket By Buildily - The best startup tool kit for founders in one membership
Startup Toolkit - Interactive how-to guides to launch your startup
JumpStart Toolkit - A pack of tools and goodies to jumpstart your startup
Electron Toolkit - Toolkit to build and launch Electron apps
The Better Workplace Toolkit - Resources to help you meet the evolving needs of your team
Promotehour - Free list of 1100+ media outlets to pitch your startup