• Letters to Theo (Pause MathJax)
  • MathJaxWMD (Resume MathJax)
  • SEModifications (allows linking to comments)
  • My Downvotes (click twice to see the downvotes you've cast)
  • Recent questions from my tags (use it from the front page for your particular stackexchange)
  • symmetry code
  • Rob John, the mean square, and his texerdoodle for the chat.
  • More efficient use of space during editting