Many of David Carlisle's more substantial packages stand on their own, or as part of the LaTeX tools set; this set contains:

– Making dotless ‘j’ characters for fonts that don’t have them;
– Fix marks in 2-column output;
– A method for combining the capabilities of longtable and tabularx;
– A proforma for building personalised LaTeX formats;
– A jiffy to suppress page numbers;
– An environment for including Plain TeX in LaTeX documents;
– A jiffy to remove counters from other counters' reset lists;
– A package to rescale fonts to arbitrary sizes;
– A jiffy to create ‘slashed’ for physicists; and
– An environment for including HTML in LaTeX documents.

The author is David Carlisle.