Those who weren't killed were either captured or fled the battle after Lord Voldemort died. They were eventually tracked down by Harry Potter, Ron Weasley, Neville Longbottom and other Aurors.
The order of the Phoenix
Voldemort, the Death Eaters and the Ministry of Magic.
Voldemort and his legion of Death Eaters are antagonists.
You have to throw different curses at the death eaters
The death eaters crashed Bill and Fleur's wedding in the deathly hallows.
That was the Death Eater base.
Flur and Bill's wedding gets interrupted by Death Eaters
Yes, he is murdered by Death Eaters during the final battle.
A werewolf in Harry Potter. He is the person who bit Remus and he unofficially joins the Death Eaters in Deathly Hallows.
One of the Death Eaters that was after Harry missed him and hit Hedwig. Not sure which one though.
A lot of people die on the Harry Potter. Fred died because of an explosion when Death-Eaters broke into the school.
No, the ones who didn't die (with the exception of the Malfoy's who switched sides) were imprisoned in Azkaban.