vimsynth/modules/logic
AND / OR / XOR / NAND on two gates. Combines rhythms.

LOGIC to get this card.Down the left edge of the card, top to bottom.
Down the right edge, in the same order.
Left to right across the face — the dials in the picture.
The full reference — every parameter curve, the patching notes and the worked examples — lives in the manual: docs.vimsynth.com/modules/logic. In the app itself, :help LOGIC opens the same page without leaving the rack.