UpRoar at UpWork
The vast majority of jobs are less than $500 so in effect, UW is doubling the fees.
UW has a forum community and believe me, it's very active right now. In fact, UW is not happy about some messages and even whole threads. I know of at least three threads that I responded to and they were completely removed, deleted, censored. The major thread is now almost 80 pages long (10 messages per page). I've even been sent two messages about "violating community guidelines".
There's been many complaints about UW, their (non) service, especially since they bought eLance and forced eLancers to use Upwork. I've had my share of issues with them myself. If you're a freelancer, I definitely don't recommend using them. One message, probably deleted by now, says UpWork should change it's name to UpYours for the way freelancers are being treated.
Cheers, Laurence.
Writer/Editor/Proofreader.
.