4chan

4chan (Japanese: Yotsuba, lit. "four leaves" Channel) is an English language imageboard, based off the famous Japanese imageboard Futaba Channel and using the futallaby script. It was first announced and created as an offshoot of the Something Awful forums, but soon attracted anime fans from around the world. On 4chan, many pictures (often from anime and manga) are posted and critiqued. Due to bandwidth concerns and growing international leeching, Japanese users cannot access the site without permission.

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Imageboard: An imageboard is an online bulletin board system that revolves around the posting of images. Imageboards are often a host to both original artwork and images taken from other websites. Popular imageboards can be hit with bandwidth consumption reaching up to eighteen terabytes per month and beyond....

Futaba Channel: Futaba Channel (ふたば☆ちゃんねる), or Futaba for short, is a popular, anonymous imageboard and bulletin board system based in Japan. It is essentially the image board of the heavily popular Japanese mega-BBS 2ch; while it is related, it is not r...

Futallaby: Futallaby (a.k.a Futabally) is software written in PHP to run Futaba-like imageboards. It continues to run on the image board site, 4chan. Essentially it is an English translation of Futaba, the code that runs Futaba Channel....