No specific info about version 23.3. Please visit the main page of whiteboard on Mac Informer.
Tether is an application that allows you to have full Internet access on laptop.
Easy-to-use program that solves the n-body problem.
AceReader Elite (was AceReader Pro) lets you double your reading speed.
It is designed for science classes or exploring physics at home.
This application allows you to easily create and light your own sets.