open world

Comfortably open your PDF files and manage their content

A great way to meet open up your social circle

Solve puzzles and open doors

An open-source music player

The world's best tool for taking notes and making lists

Compete against players from all over the world to match colors

Share videos around the world

Meet new people all over the world

Play games and chat with people from all over the world

Drive at full speed through the world's most important cities