Software

Here are some useful programs for copying websites:

• GNU Wget
• HTTrack
• Heritrix -- what archive.org use
• Pavuk -- a bit flaky, but very flexible

LiveJournal Recovery

LiveJournal does not currently have an export function.

• ljsm
• Livejournal Export Script - Pull Livejournal into a database (GDBM), allowing export into HTML or XML, and further import into Wordpress or other blog software.
• ljarchive
• ljbook (currently overloaded)
• ljdump - Python script that slurps everything down into a pile of XML files.

Gmail

• Gmail Backup

FaceBook Recovery

Facebook does not currently have an export function.

FriendFeed

• FriendFeed Archiver - not that FriendFeed is on Deathwatch, but someone might be interested

Flickr

• Flickr Edit includes Flickr Backup