"Railo" is the name of an alien dog in a science fiction series in the early 2k's (read more about the series and the dog). The name in fact should write Rhylo (that's how you spell it correctly) but the name made its way into the software like this: Railo.
The CFML engine Railo is an open source website scripting language that obeys the CFML markup definition. CFML is very similar to HTML and therefore very easy to learn. Read more about Railo - the language.
Railo Technologies is the company behind the Railo CFML engine. Since its foundation back in 2003, Railo Technologies now has several new employees and support engineers. The Railo Team section should bring the people behind Railo a little closer to you.