SaaS 1000 - Free exportable list of the fastest growing SaaS companies
Folloh - It brings all the news you want from around the web
Inside SaaS Sales - 1000+ sales emails and voicemails from top SaaS companies
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
pickSaaS - Hundreds of SaaS products, analyzed.
Startup Quote - Awesome founders provide wisdom about making things