Pocket - When you find something you want to view later, put it in Pocket.
Xmind - Xmind is a brainstorming and mind mapping application.
Instapaper - Instapaper is a simple tool to save web pages for reading later.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
ArticleWise - Turn any article into a flash card, in seconds 💡📝
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.