Gostio.com is new Serbian startup which allows for online reservation of the restaurant tables. Service is available only for the Serbian capital Belgrade, but in the near future they plan to spread the service to all the major cities in Serbia. Gostio was launched on 3rd of August and is still in beta. It is very basic, but an it will help you to reserve restaurant table without too much hassle. Gostio is free for users, and it is charging a small commission to restaurant owners based on a number of reservations. Users can write reviews to help other visitors to make a decision.
The founders of Gostio are known for their previous work on Donesi.com (which means Bring me), a web service for food ordering. So, if your favourite restaurants does not accept any more reservations you can order food using Donesi.