SaaS 1000 - Free exportable list of the fastest growing SaaS companies
pickSaaS - Hundreds of SaaS products, analyzed.
Mattermark - Ranking 800,000+ high growth Internet companies
Inside SaaS Sales - 1000+ sales emails and voicemails from top SaaS companies
Bullet Train - The Ruby on Rails SaaS-in-a-Box.
Pocket SaaS GlideApp - Quarterly earnings+SaaS metrics of public cloud companies