Mr. Free Tools - The Most Advanced Directory of Free Tools
Open Strategy - The best tools to help you build your startup
ToolSalad.com - A Curated Directory of 204+ Online Marketing Tools for Startups, Bloggers, SEOs, and Marketers.
Startup Stash - A curated directory of 400 resources & tools for startups
CrazySpaceCat.com - Your Digital Tool Guide!
Makerbook - A directory of the best free resources for creatives