Kijiji, owned by eBay, which also owns 25% of Craigslist, has had great success in Canada with Kijiji. I use it over Craigslist because of the great design, and ease of use.
Despite, or perhaps because of its ugly interface, Craigslist has been an enormous success in the United States, although notably not nearly as much elsewhere. eBay is trying to tackle a 500 ton gorilla with a product that would appear to be nothing more that a pretty looking Craigslist clone, so it will be a hard ask. Then again eBay certainly has the strength, marketing skills and capital to call game on.
I think Kijiji will do well, so check it out if you are looking for a Craigslist alternative.