Tenfourbird is unofficial build of Mozilla Thunderbird for PowerPC based Mac OS X.
Tenfourbird uses changesets of TenFourFox.
Latest version is 38.9.0.
This is not stable release.
Before installing this, profile directory backup is recommended. (/Users/[user_dir]/Library/Thunderbird
)
If you find bug, please report to Forums or Ticket.
You can check integrity of files by SHA1 hashes. It also signed by OpenPGP key of t_mrc-ct[at]users.sourceforge.jp. The public key could get from here or OpenPGP Keysever.
All Langpacks are not released yet. It is planned to provide on 24.2 release.