Juggling can be modelled mathematically using siteswap and it is possible to write software that shows what different juggling patterns might look like. Here are a few that are available on-line or to download:

	JuggleAnim
	JsJuggle
	Jongl
	Juggling Lab
	Joepass (download)
	Juggloid
	Siteswap Transition Generator
	a few on Jugglingdb and a list
Siteswap.org	a list on Siteswap.org
	Prop-spinning Visualizer