Affinity Publisher - Professional desktop publishing app

Xmind - Xmind is a brainstorming and mind mapping application.

Contenta Publishing Suite - Contenta Publishing Suite is an advanced-level and web-based publishing software solution offered by RWS that allows you to create good quality content and offers you optimized steps and procedures to publish the content successfully.

MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.

Xpublisher - Xpublisher is a content publishing software that helps you to structure your content and then allows you to easily publish the content on various platforms.

Coggle - Coggle is a simple, beautiful, powerful way of structuring information.