Ulendo is the Company Behind Marlin's Input Shaping Feature

Fabbaloo just recognized Ulendo’s contribution to the Marlin community…..an input shaping feature for those users who prefer not to implement Klipper. And, if the corner rounding issues that are inherent in the input shaping approach are not acceptable, Ulendo offers an easy path to upgrade to its commercially available product Ulendo VC (vibration compensation). Ulendo VC is a collection of advanced algorithms to compensate for vibration; the company has added to its patented filtered b-splines algorithm other approaches to provide a robust way to anticipate vibration on a printer and modify the motion of the printer to avoid the quality issues

Link to the Fabbaloo article: https://www.fabbaloo.com/news/eliminating-ringing-in-3d-prints-ulendos-innovative-software-solution