From the website [1]:

Caius is a functional testing framework for the 21st century. It was born out of the need for a contemporary replacement for DejaGnu.

Caius is written in ITcl and includes interfaces to Expect and Selenium. Written by [tobijk].

Per the developer (Aug 2017 caius-users Google Group topic), the Caius project is now only on limited maintenance.

---

ak - 2014-11-09 18:15:40

It is said to contain a pure Tcl package for processing Markdown.

dbohdan 2014-11-10: Indeed. See https://github.com/tobijk/caius/tree/master/lib/markdown.

---

APN The above now installs on Windows as well.

---