A worktable system for providing a work surface that is collapsible and portable includes a foldable tabletop that is positionable over a foldable support assembly. The tabletop has a plurality of recesses, and each of a plurality of insertion panels releasably couplable to the tabletop when positioned in one of the plurality of recesses. The insertion panels are removable to make room for a table saw or other tool that is positionable in the recess.