This is the AS Drums & Filters plugin, a paid but affordable collection of modules for the Virtual Eurorack Studio application VCV Rack 2, made from the perspective of a user and musician, and focused on useful features with a nice graphic user interface and small footprint... because even in a virtual rack, space and looks matter.
Found an issue and want to report it? You can do it here
Want the free and open source AS modules instead? Get them here: AS modules