The TRIZ Matrix is a database of known solutions (principles) able to overcome contradictions. (more)
TRIZ Matrix

Interactive TRIZ Matrix: TRIZ40.com
Pass the mouse over numbers to read about the principles

TRIZ Made Simple: Learn a streamlined and simplified version of TRIZ
The matrix and the 40 principles are based on the work of G. Altshuller. The use of this TRIZ Matrix and the tools of this site are and will remain free of charge. TRIZ40 © SolidCreativity 2004.