Spine - Spine is 2D animation software designed specifically for software and game development.
Figma Product Planner - Easiest way to plan, visualize, & share your product planing
Synfig Studio - Just another WordPress site
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
DragonBones - DragonBones is an open source project for 2D skeletal animation.
Niice - Show what your brand is made of - Niice helps in-house creative teams create, grow and manage their brand.