Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
nodo - Manage your daily tasks in the command line
Freelance Rate Explorer - Visualize rates for thousands of freelance designers & devs
Web Interface handbook - 200+ tips and tricks for creating a good web interface.
Freelance TV - Collection of stories and interviews on freelancing
Simple Grid - Responsive & lightweight CSS grid for your website.