Looks like the successor to TrueCrypt is VeraCrypt, and I'm glad to see someone picking up the pieces. If you'd like to stick with TrueCrypt it looks like there's an archive download at TrueCrypt Final Release Repository. I'm still using TrueCrypt since I don't think it's suddenly worthless but during my next Operating System or computer refresh I'll probably switch over to VeraCrypt since it's being actively worked on.