amnevoie.de
The main page is your dashboard, where you can see all your jobs, bids, ...
Your projects (that you posted and are looking for labourers)
Your bids to existing jobs
The jobs which you are/were the selected contractor
On the jobs page you can select one that suits you and post an offer
On projects which are not yours you can't see who bid against you, only the amount
On your projects, you get a list of all the offers - which you can accept or reject
After you accept an offer, you can chat with that contractor