The Freelance Rate Calculator - Get your minimum viable freelance rate
nodo - Manage your daily tasks in the command line
LanceID - Show and share your current and upcoming availability as a freelancer with your own status page.
Simple Grid - Responsive & lightweight CSS grid for your website.
Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
Web Interface handbook - 200+ tips and tricks for creating a good web interface.