PR X VH - On demand PR campaigns for free
Startup Rocket By Buildily - The best startup tool kit for founders in one membership
pressfarm - Pressfarm helps entrepreneurs find journalists to write about their startups.
JumpStart Toolkit - A pack of tools and goodies to jumpstart your startup
Promotehour - Free list of 1100+ media outlets to pitch your startup
Startup Toolkit - Interactive how-to guides to launch your startup