Camptasia (Windows and Mac, 30 day free trial):
ELAN (Windows and Mac, free):
http://tla.mpi.nl/tools/tla-tools/elan/ (Documentation)
CLAN program and manual (Windows and Mac, free):
Quick Time Pro 7 (Windows and Mac, approximately 30€):
http://store.apple.com/es/browse/home/shop_mac/software/apple
THANK YOU AND GOOD LUCK WITH YOUR TRANSCRIPTIONS!!!