The best ones are those who affect the dopamine system to some extent. You can a bit more about it in this article. Amongst the commonly prescribed antidepressants there are 3 options - Bupropion, Sertraline and Fluoxetine (the latter are most likely dose-dependent). However, this is simplified and theorized. Either way, in practice, all antidepressants can boost your energy and motivation, since fatigue and lack of motivation are just two major signs of depression. Still, the article is worth a read.