Those with serviceable items, such as computers or furniture, which are no longer needed can advertise them on the site and then select who should get the item from those who respond.
The principal rule of the system, called Freecycle, is that no mo
ney should change hands because the aim of the service is to reduce waste.
The service was established by former nurse Olive Brookes after hearing a talk by a Barnsley Council official on ways to cut waste.
There are now more than 200 people signed up to the service and it is achieving in excess of 90 responses in some months.
She said: "The website is very strict in its rule that no money should be exchanged. Things like computers, washing machines and furniture have been traded and people can ask if people have got things that they don't need as long as they aren't greedy. Freecycle isn't about getting things for free but about keeping things out of the landfills and building communities."
Waste management official Andy Browell at Barnsley Council, said: "This is a wonderful initiative and we fully support anything that reduces landfill and increases the re-use of things that would otherwise be thrown away."
People interested in joining Barnsley' s Freecycle group can register at www.freecycle.org in the South Yorkshire section.