Xmind - Xmind is a brainstorming and mind mapping application.
iStat Menus - "An advanced Mac system monitor for your menubar."
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
iStatistica Pro - System monitor. Reinvented. 💻 🖥
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Stats - Simple macOS system monitor in your menu bar.