ZL Equalizer is an equalizer plugin.
ZL Equalizer is a 16-band minimum-phase dynamic digital equalizer plugin with the following key features:
Multiple Filter Settings: Supports 16 frequency bands, 8 filter types, 5 stereo modes, and 7 variable slopes.
High-Quality Sound: With 64-bit floating-point processing and de-cramping technique, outstanding performance is ensured in both low-end and high-end.
Adjustable Dynamics: Adjustable threshold, attack, release, and side-chain frequency, etc.
Carefully Designed Interface: Interactive spectrum graph, smart collision detection, and smooth animations.
A short intro video is available at here.

More infos on github