Sketch Confetti - Generate gorgeous confetti patterns in 1 click.
Git Sketch Plugin - Version control for designers
Frames for Sketch - Create awesome websites & apps using powerful design system
Fluid for Sketch - Sketch plugin to make your responsive designs more efficient
Sketch Plugin Course by Design+Code - Enhance your design workflow by creating a Sketch plugin
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.