Every Mac user should consider making these applications and utilities part of their standard toolkit
As with Firefox, there's a wide range of plug-in applications available for the Thunderbird mail reader. Leet Key will translate your e-mail into either L337 speak, ROT13, or several other useful formats. Russ Key takes Russian words typed phonetically with a roman alphabet keyboard and translates them into proper Cyrillic. Enigmail handles all of the OpenPGP encryption so that you can scramble your communications. For more details on each app, read our full story.