Freeplane - Freeplane is a powerful and free software for building mind maps.
Moovly - Win clients, engage your employees or captivate your students with a creative video and presentations. Moovly’s possibilities for video creation and presentations are endless. Start now!
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
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!
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Plotagon - This app, Plotagon. is very fun. Creative and lets me express my ideas and all of my desiors!