Reusable LaTeX3 modules.
\usepackage{/path/to/sty/module.sty}Reusable expl3-like code
In-text citation template exposing a keyval interface.
Counter commands allowing cross-referencing.
Package-agnostic interface for detecting loaded languages.
An xtemplate to format a label-content combo, such as inside \addcontentsline.
An xtemplate to map iso dates to quarter, month, week, in long or short format.
Think \Incidental{<clause>}