SCP Foundation wiki
The fictional SCP Foundation is a secretive organization that contains anomalous or supernatural items and entities away from the eyes of the public. SCP stands for "Special Containment Procedures". SCP also stands for the site motto: "Secure. Contain. Protect."
(It appears that this wiki started as an English-language wiki. If rumors of a Chinese-language and Russian-language section of this wiki can be confirmed, this is now a multi-lingual wiki).