20 Tools For The Freelance Designer On A Shoestring Budget

I recently stumbled on an article on http://spyrestudios.com that seems particularly relevant to our Solo Designers group: 20 Tools For The Freelance Designer On A Shoestring Budget.

I found the section on feedback and usability testing extremely enlightening. Here's a snippet:

Getting feedback on your designs is essential, no need to ask friends and family (you’d probably get the ‘looks good‘ type of answers anyway). Instead you can use services like Concept Feedback, FeedbackArmy and Five Second Test.

Check it out and let me know what y'all think.