GrandBastard vs Pibox

Chess Puzzles and Chess Analysis Extension for Firefox and Chrome.

GrandBastard offers 200K checkmate puzzles for chess lovers who want to practice their endgame.
Install our Chrome and Firefox extension to get game hints while you are playing on chess.com or lichess.

The easiest way to communicate, share and store large files without loss of quality

Send free messages and files of any type and size without any loss of quality. To be especially handy, we use your phone number to find your friends around the world and give you the ability to share with them. In Pibox, you have cloud storage to manage and sync all your files.