Evercontact - Your contacts always up to date and automatically with Evercontact.
Damn Good Tools - Easy-to-use, fun productivity tools—free (and open-source).
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Tool Finder - The wikipedia for 100+ productivity tools/apps
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
IT Tools - IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.