Cavalry is a free professional real-time 2D animation software that supports Mac and Windows systems and is designed specifically for animators and motion designers. It has features such as real-time 2D animation, motion design, and data-driven workflows. Adjusting a single value can make the system respond with fast movement and scaling. There is real-time rendering without latency. It can be connected to spreadsheets for large-scale animation production. There are also professional features like bone control. It provides learning resources such as a tutorial series and FAQs.