Friendster   - a place you can meet a friends and lovers.

Phazeddl     - you can download a lot of programs, music, video, games and many more for free. Its a direct download not a torrent.

Sharebig    - if you want to upload your files and share it to your friends or in public.

Maplestory - best online game. Its a 2d game and its free.

Silkroad       - best online game. Its a 3d game and its free.