A friend runs <a href="http://www.lancelist.com/" rel="nofollow">http://www.lancelist.com/</a>, which lists and summarises various types of freelancer job sites. Might be helpful.
as far as I know:
<a href="http://www.freejobalert.com/" rel="nofollow">http://www.freejobalert.com/</a>
<a href="https://www.freelancer.com/" rel="nofollow">https://www.freelancer.com/</a>