I made this tracker to help with using Blade Flurry since it is no longer a toggle.
Below is another tracker I made that I like better for a quick glance.
Tracker - BladeFlurryEnhanced
Blade Flurry Buffing Player (icon)
Blade Flurry Stacks (icon)
Blade Flurry Recharge (icon)
Blade Flurry CD (icon)