The Origins Of The Sith (Pre-Disney)-Interesting facts
Star Wars: the Force skill list [infographic] - Holy Kaw!
Bao-Dur - a Zabrak Jedi and engineer from Iridonia who served under the Revanchist Jedi general Meetra Surik during the Mandalorian Wars, and again toward the end of the Dark Wars.
Darth Revan and Darth Malak. Stole a third of the Rebublic's fleet and were forced into the dark side. There powerful minds mutated their orders until they believed they had turned to the dark side of force by there own will.