Patrick Gundlach
Show ConTeXt layouts.
German TeX FAQ.
Linux Libertine fonts for use with Lua(La)TeX and Xe(La)TeX.
German version of “A Short Introduction to LaTeX2ε”: LaTeX2ε-Kurzbeschreibung
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Mark hyphenations in a document, for checking.
Visual debugging with LuaLaTeX.
Ruby font installer library.
Show all possible hyphenations in LuaLaTeX.