Source code of a program written in the Haskell programming language with literate formatting; similar to a standard Haskell Script (.HS file), but includes commentary, where only lines starting with ">" are considered to be program code. More commonly seen with a .LHS extension.
Files with the LIT extension denote electronic book files created in the Microsoft Reader application. LIT files store downloaded ebooks in a text format that are copyright protected under digital rights management information. LIT files may be opened using compatible software and PDA technology.
File extension is used by Quake.
The LIT file extension is associated with the Korean MMORPG game called ROSE.