Andrew Stacey
The contributor Andrew Stacey appears to be present as the CTAN community member loopspace.
Draw braid diagrams with PGF/TikZ.
A TikZ library for drawing celtic knots.
An implementation of Hobby’s algorithm for PGF/TikZ.
A TikZ library for producing Penrose tilings.
PGF/TikZ package for “blurred” shadows.
Assemble multiple logical pages onto a physical page.
A TikZ library for straight-edge and compass diagrams.
Manipulate “soft paths” in PGF.
Use TikZ's method of remembering a position on a page.
A TikZ library for drawing tiles and tilings.
Drawing TQFT diagrams with TikZ/PGF.