an open-source free HTML5 and SVG animation designer
macSVG is a MIT-licensed open-source macOS application for designing and editing Scalable Vector Graphics (SVG) content for HTML5 web pages, mobile apps, animation design, and general graphics usage.
SVG is an open-source format for computer graphics documents based on the authoritative Scalable Vector Graphics (SVG) 1.1 (Second Edition) – W3C Recommendation 16 August 2011 from the World Wide Web Consortium (W3C), and is supported on most modern web browsers, and many application frameworks.
macSVG can produce dynamic, high-quality graphics and animation for HTML5 web views that can be displayed on most major desktop and mobile platforms, including iOS, Android, macOS, Microsoft Windows and Linux. This video shows an example of SVG animation in macSVG:
Read more about macSVG features.