marketplaces for freelancers

What are the best marketplaces for freelancers you know? How hard is it to develop your own freelance marketplace?

Now there are many sites for freelancers, such as Toptal, Upwork, Fiverr and others. If you have a desire to create your own site, you need to study this issue very well or ask professional developers.

Technical progress does not stand on one place. There are a lot of trading platforms for freelancers, so in order to implement your own freelance marketplace platform , you need to carefully study this issue and learn the information, which is a pretty decent and effective solution, which describes the most effective opportunities on how to develop it, tips and analysis of the correct operation of the business. I think it's really easy to implement with this kind of help.