Project Mitsuba is an opensource (AGPLv3 licensed) image board software written in PHP and using MySQLi.
Warning: Mitsuba needs ZipArchive for module uploads!
To install Mitsuba you'll have to:
The API is at ./board/thread_no.json
For more info visit 4chan's api
Desuneko - creator and developer of Project Mitsuba
skandal - first betatester, helped with bughunting, made Polish translation and several alternative stylesheets
hardkurahen - javascripts
JanPavulon - javascripts
sebagaua - some PHPs
See LICENSE.
Mitsuba contains code from jQuery (MIT license), PHP Markdown by Michel Fortin (custom license, available on website), jBBCode by Jackson Owens (MIT license), cool-php-captcha by José Rodríguez (GPLv3), Meny by Hakim El Hattab (custom license, available on website) and jquery.cookie by Klaus Hartl (MIT license).