Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
MotionDen - Free online animated video maker
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.
Animaker - Animaker is an online do-it-yourself (#DIY) animation video maker that brings studio quality presentations within everyone's reach. Animated Videos, Done Right!
TH-U - World class guitar amps and effects for PC and Mac
Rocketium - A DIY video creation platform. Make videos in minutes using preset themes and templates.