Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source

minted is a LaTeX package that provides syntax highlighting using the Pygments library. Highlighted source code can be customized using fancyvrb.

A fresh implementation of Common Lisp

biblatex is a sophisticated bibliography system for LaTeX users. It has considerably more features than traditional bibtex and supports UTF-8

CircuiTikZ TeX/LaTeX package for drawing circuits

Research on integrating datalog & lambda calculus via monotonicity types

A comprehensive (SI) units package for LaTeX

Backend processor for BibLaTeX

A Super Fast Multithreaded malloc() for 64-bit Machines

the statistics handbook open source repository

XeLaTeX/LuaLaTeX package for using unicode/OpenType maths fonts

Proposals for the Fortran Standard Committee

Frama-C and WP tutorial

Mathematica cells in TeX

Traits, generics, and modern-day OOP proposal for Fortran

A reference card for GNU APL