Tamilgun is a website that has gained notoriety for hosting and providing access to a wide range of Tamil movies, as well as movies in other South Indian languages. It has been associated with the illegal distribution of copyrighted content, allowing users to stream or download movies without proper authorization from the filmmakers or copyright holders. The website has faced legal challenges and has been subject to periodic blocks by authorities due to copyright infringement issues. It is important to note that accessing or distributing copyrighted material without permission is illegal and undermines the rights of content creators.