Rated 5 out of 5 stars

Από τον/την Max στις Φεβ. 15, 2013 · μόνιμος σύνδεσμος

Works very well, dev.builds are always available, has a truck load of options, easy to follow documentation with illustrations, change logs, well supported by a very responsive developer (just read the ongoing thread on Mozillazine forum).
Everything one would wish for in an extension.