I am a postdoc in philosophy.
I made this beamer colour change package that slowly changes the colour of structure elements of beamer presentations. Feedback welcome.
I also made this
moreenum package which adds new enumeration options.
The TeX goodies page of my website includes some other bits and bobs I've done.
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for linguists, etymologists, and serious English language enthusiasts
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Stack Exchange Network staging zone, where users come together to build new Q&A sites
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Q&A for professional programmers interested in conceptual questions about software development
Q&A for those using, extending or developing Emacs
Q&A for users and developers of hardware and software for Raspberry Pi
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Q&A for people interested in the history and origins of science and mathematics