There are several peptides with nootropic and similar activities - it seems they don't get the attention they worth.
Semax is the ACTH analog - Met-Glu-His-Phe-Pro-Gly-Pro - tested, clinically being used and available - at least in Russia.
You may find these references useful:
http://www.img.ras.ru/semax1-e.htm
http://semax-interna...l.com/index.htm