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Pick Crew is the only one I know of: https://pickcrew.com/

Gun.io is another.

To be honest I have not had great experiences with them (slow response time, lower number and quality of devs). I compared them side by side with Crew + Toptal, and would recommend either, but ended up going with the latter.

I don't know about Crew but Toptal seems just like remote body shopping. Seems the freelancer gets locked in working for toptal. Not a real freelancing scheme like odesk and such.

Not really, you have full control over your availability. You can dial it up or down however you like. A lot of people start with hourly jobs on Toptal while keeping another gig or a day job and then switch to full time on Toptal when they're ready.

Disclaimer - I work for Toptal

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