Folloh - It brings all the news you want from around the web
ShareIt by SocialPilot - Free Content Curation and Influencer Discovery Tool
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
The Content Odyssey Newsletter - Every other week I discuss one B2B content experiment
Startup Quote - Awesome founders provide wisdom about making things
INDX - INDX is a focused place for self-directed learning.