Readymag - Readymag is a design toolkit that helps create immersive digital experiences without developers in days, not weeks.
Nawvel - Nawvel is a handy-dandy library of tried, tested & curated resources.
Publiseer - Publishing should be free and easy
Makerbook - A directory of the best free resources for creatives
VirtualPaper - Virtual Paper is a digital publishing for converting offline pdf documents into online content.
The Starter Kit - Curated resources for web developers and visual designers