Ruby on Rails
UltraEdit

Homepage: http://www.ultraedit.com/

a ruby wordfile for ultraedit: ftp://www.ultraedit.com/wf/ruby.txt

Download the ruby wordfile and include its contents into your UltraEdit wordfile.txt

By default, this file is at C:\Program Files\UltraEdit-32\wordlist.txt. Open it easily by clicking Advanced → Configuration → Editor Display → Syntax Highlighting → Open

Append the contents of ruby.txt from above to the newly opened wordlist.txt. Save and close wordlist.txt. Now, Ruby should be an option under View → View As(Highlighting File Type)

Man, Ultra-Edit is great. :)