SaaS 1000 - Free exportable list of the fastest growing SaaS companies
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Look at that SaaS - Inspiration and resources for SaaS founders
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Inside SaaS Sales - 1000+ sales emails and voicemails from top SaaS companies
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.