GrowthList - A crowd-sourced list of growth hacks
Storylane.io - Storylane helps companies build and share interactive product demos with their prospects in 10 mins. Guided experiences can be built code-less and helps convert customers faster.
Q by SubStrata - Q is your email communication genius for B2B sales.
LeadCandy - Lead Generation + Relationship Intelligence for B2B Sales
Email Marketing: A Beginner's Guide - Master email marketing with these 3 short ebooks from Drip.
Navattic - Create shareable product demos