Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Freeplane - Freeplane is a powerful and free software for building mind maps.
Sketch - Professional digital design for Mac.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.