30 Seconds of Knowledge - Become a better developer, in every new tab.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
Look at that SaaS - Inspiration and resources for SaaS founders
User-Agent Switcher and Manager - spoofs browser's User-Agent string.
pickSaaS - Hundreds of SaaS products, analyzed.