Originally posted by matija
You can manually upgrade:
MailEnable (easy, needs reconfigure after upgrade)
MySQL (medium, non-automated installation)
PHP (medium, non-automated installation)
phpMyAdmin (easy, non-automated installation, works upto version 2.6.4-pl4)
.NET (easy)
Horde IMP (medium, non-automated installation)
Gene6 FTP Server (easy)
SmarterStats (easy)
SmarterTicket (easy)
SmarterMail (easy)
AWStats (easy, non-automated installation)
...
Non-automated installation means you have to download ZIP and unpack it to the existing folder, while preserving configuration files at the same time.