File2IP is a tool to send files encrypted, peer to peer, through the internet to another pc. drag & drop supported, configurable from where (ip's or domains) files are accepted. only one open incoming port required to receive files. shareware ($10).
a windows sudoku game. generates unlimited different random puzzles in realtime. save of puzzles to a plain text file is supported.
rules of sudoku: fill the grid so that every row, column, and square contains the digits 1 to 9 only once.
freeware!
