Freeplane - Freeplane is a powerful and free software for building mind maps.
GoAnimate - Make your own animation quickly and economically with GoAnimate. Reach prospects and customers with animated videos online about your business and products.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
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!
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.