Harpoon Revenue Goal Calculator - Freelancers, how much money do you need to make?
Hourly Rate Calculator - Find out your ideal hourly rate
Startup Return Calculator - How much money can your startup investment make you?
Quarterly Tax Calculator Bot - Quarterly tax calculation for freelancers
Company of One - A book on why staying small is the next big thing in biz
LanceID - Show and share your current and upcoming availability as a freelancer with your own status page.