We don't limit team members. If you sign up before the end of our Beta you'll also be able to create unlimited teams. Our Team chat feature would be useful for collecting and responding to team feedback across multiple projects.
I tried sending an invite to another email address to join a team and the Register Page URL in the email was simply "http://login/register
Chat is nice, but there are lots of ways to do that and I need something where I can make sure people are submitting feedback, otherwise I don't want to give them the discounted goods in exchange for the feedback.
I think I realized what will work.. some sort of e-learning software. I would basically just pass/fail each item tested on whether an "exam" was submitted, but I do have some quality requirements for feedback. Having used Moodle before a bit, I think you can give more or less points for multiple choice answers. I wouldn't care about the aggregate of these but maybe could use that too.
http://taskmessenger.com
Feel free to mail me directly if you've any questions: alan@taskmessenger.com @AlanMeaney on twitter