William Blau is most famously known for the TSI (True Strength Index) which is arguably his most useful indicator for trading but also created a range of additional technical analysis tools.
The list of William Blau's indicators are:
- TSI (True Strength Index)
 - SMI (Stochastic Momentum Index)
 - TVI (Tick Volume Indicator)
 - Ergodic Oscillator
 - ECO - Ergodic Candlestick Oscillator
 - Ergodic Mean Deviation Indicator
 - Double Smoothed Relative Strength Index
 - Momentum Relative Strength Index
 - Double Smoothed Momentum
 - DTI - Directional Trend Index