For detailed information on the Geth visit the link on the home page.
After the Reaper war the Geth have proven that not all of their kind or motivated to destroy the other species and subsequently rule the universe. in fact they have proved themselves much like the other species because they like us have division between view points. While they are individual beings AI creation they do operate on a sort of hive mind. As they are AI creatures they are the foremost experts on computer programing and electronics. They seek to join the citadel, despite the fact that they are still reacted to hostilely.