roses4lace

Yes, check with your state's Autism Society, they usually know lots of resources in the area. Also, many states run a Vocational Rehabilitation department, which helps one find a suitable job, if possible. They can provide training, help with transportation, and job coaching. They pay for tests and training (sometimes). He may need short bursts of classes, such as online courses, or to earn certificates (such as the Microsoft certification program) in two week intensive courses, rather than trying to follow a regular college curriculum. There are numerous IT training companies that teach classes for large companies, and they have many 2 week to 3 month certification courses in various topics. New Horizons is one that comes to mind. (My son is brilliant, but Voc Rehab said he would not be a good candidate for college due to his problems.)

A psychologist (not psychiatrist) trained in Asperger's could help him with the social skills, flapping, learning when to talk to his imaginary friends/ when to keep silent, etc. The local Mensa group may also appeal to him, they're usually filled with brilliant, but quirky and unique people.

It's very possible that your brother does not perceive all this to be as much of a problem as the neighbors and family do. Hopefully, some of these suggestions will appeal to your brother.