TV Tropes is
a wiki that collects and expands descriptions and examples on various conventions and devices (tropes) found within creative works. Since its establishment in 2004, the site has gone from covering only television and film tropes to also covering those in a number of other media such as literature, comics, video games, and even things such as
advertisements and toys. The nature of the site as commentary about pop culture and fiction has attracted attention and commentary from several web personalities and blogs.
The content was published as
free content from April 2008, and changed its license over the years to one allowing noncommercial distribution.
Example:
TV Tropes initially focused on the television show
Buffy the Vampire Slayer, and has since increased its scope to include thousands of other series, films, novels, plays,
professional wrestling, video games, anime, manga, comic strips and books, fan fiction, and many other subjects, including Internet works such as Wikipedia, which is referred to in-wiki as "The Other Wiki". It has also used its informal style to describe topics such as science, philosophy, politics, and history under its Useful Notes section. TV Tropes does not have
notability standards for the works it covers.