Xmind - Xmind is a brainstorming and mind mapping application.
Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
NumPy - NumPy is the fundamental package for scientific computing with Python