The HaPyLi Programming Language

• sudoku.hpl by Cybis.
  Other than the snippets in the tutorial, this is the only HaPyLi application I created—a depth-first-search based sudoku solver.
• 99bottles.hpl by Marinus Oosters.
  Prints out the lyrics to "99 Bottles of Beer". Originally posted on 99-bottles-of-beer.net on 27 Nov 2010.
• brainfuck.hpl by Marinus Oosters.
  A Brainfuck interpreter. Originally posted on the Esolang wiki on 1 Dec 2010.

If you have a HaPyLi program you want listed here, submit a pull request on GitHub.