Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
MotionDen - Free online animated video maker
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
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!
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.
Rocketium - A DIY video creation platform. Make videos in minutes using preset themes and templates.