The causal set program in particular [this page under construction]
Some of my papers (especially ones that are recent or relevant to causal sets)
Some lecture notes (Stokes' theorem, Path integrals, ...)
"Eltex" (emacs programs for automatic equation and reference numbering of tex documents)
Fay Dowker's popular lecture at Perimeter Institute (youtube)
Glossary of poset terms at Peter Cameron's web site
List of papers at Google Scholar