The contributor Marcel Krüger appears to be present as the CTAN community member zauguin.
Fix alignment at \overset or \underset
Font Awesome 5 with LaTeX support
Add interactive Barcode fields to PDF forms
Embed non-PDF files into PDF with hyperlink
OpenType ‘loader’ for Plain TeX and LaTeX
Underlining for LuaLaTeX
Unicode algorithms for LuaTeX