Tekla Structures BIM Software - Open approach to Building Information Modeling
Xmind - Xmind is a brainstorming and mind mapping application.
midas Gen - Structural Analysis and Design
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Solibri Model Viewer - Views Solibri Model Checker and IFC models on both Windows and Mac.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.