There are 3 repositories under photoshop-extension topic.
AnimDessin2 is panel designed for Photoshop CC 2014 to CC 2020+. It allows you to draw frame-by-image animations (cel-animation like), simplifying the process. it also lets you test the movie and set the duration of a keyframe…
CEP Photoshop Extension Panel Showcase
Adobe Photoshop plugin for managing fonts