Chobits
"Chobits" was adapted as a 26-episode-long anime television series broadcast on TBS and Animax from April to September 2002. In addition, it has spawned two video games as well as various merchandise such as figurines, collectable cards, calendars, and artbooks.
X (manga)
Kadokawa Shoten collected and published the individual chapters in 18 "tankōbon" volumes, with five chapters published in the book "All about Clamp". All but several final chapters have been published. It has been adapted into a series of audio dramas, a 1996 animated feature film and a television series in 2001 with the two latter produced by Madhouse. Viz Media published all 18 volumes in North America, while the film and the TV series have released in DVDs by Manga Entertainment and Geneon, respectively.