There was a lot of talk about Ringo this week
thanks to RingoJS vs
by George Moschovitis. Ringo used to be known as Helma NG, which is an
evolution of Helma's original platform which has been around for a long
Ringo is a CommonJS implementation based on Rhino.
Less.js by Alexis Sellier is
LESS running on browser or server-side
variables, mixins, nested rules, and operations. It's easy to learn and
may find more popularity now it can be run in a browser.
Rejex by Oliver Nightingale is a marvelous
little tool for experimenting with regular expressions. It's open source
and implemented with jQuery and a tiny bit of Ruby.