diagrams & charts tools
Get flash to fully experience Pearltrees
Visualisation tools resource list, Anthony Judge and Nadia McLaren — The Nautilus Institute
Resources Stephen Davies, Javier Velez-Morales & Roger King.
How to choose the good chart ? - Information Management - Thoughts & Tools
The next time you face this question, the following chart can help you find your way. It shows the logical steps to find an appropriate chart.