Marcel Krüger
The contributor Marcel Krüger appears to be present as the CTAN community member zauguin.
Fix alignment at \overset or \underset
Make PDF files searchable and copyable
Font Awesome 5 with LaTeX support
Add interactive Barcode fields to PDF forms
Wrapper for XeTeX's and LuaTeX's input normalization
Embed non-PDF files into PDF with hyperlink
More flexible alignment in amsmath environments
Automatically generate MathML from LuaLaTeX math mode material
OpenType ‘loader’ for Plain TeX and LaTeX
A PSTricks backend for LuaLaTeX
Underlining for LuaLaTeX
Unicode algorithms for LuaTeX