Msc-generator is a program that parses textual Message Sequence Chart descriptions and produces graphical output in a variety of file formats.

Msc-generator heavily borrows in concept from the 0.08 version of Michael C McTernan's mscgen. However, it has been completely rewritten from scratch and has a much more extensive (and only partially backwards compatible) language. The command-line interface is fully backwards compatible with mscgen, which enables using Msc-generator's commandline tool everywhere where you can use mscgen, but with the richer syntax. This includes the many tools integrated with mscgen, such as Doxygen, Sphinx and Msctexen.