Caffeine for Windows - Prevent your computer from going to sleep
Xmind - Xmind is a brainstorming and mind mapping application.
Caffeine for Linux - Inspired by the Mac OS X version, Caffeine for Linux is a status bar application able to...
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
KeepingYouAwake - A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode).
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.