jsLib has the following major module groups.

• Base — JavaScript utility modules
• Layout — JavaScript modules and a Cascading Style Sheet file for laying out pages of a presentation into panes
• Load — JavaScript modules for loading external content for panes and pane inserts
• Navigation — JavaScript modules and a Cascading Style Sheet file for navigating through a presentation
• Insert — JavaScript modules for inserting external content into a presentation pane
• Start — JavaScript modules for starting a presentation
• Style — Cascading Style Sheet files for styling a presentation