There’s a slightly outdated list at: http://ubuntuforums.org/showthread.php?t=185758

DropBox

Repository for DropBox.

deb http://linux.getdropbox.com/ubuntu intrepid main #Dropbox
deb-src http://linux.getdropbox.com/ubuntu intrepid main #DropboxCode language: JavaScript (javascript)

feisty-commercial

## feisty-commercial by canonical
## currently has realplay (realplayer 10) and opera (opera 9)
## only uncomment it if you need it
deb http://archive.canonical.com/ubuntu feisty-commercial main #feisty-commercialCode language: PHP (php)

Google

deb http://dl.google.com/linux/deb/ stable non-free #Google software repositoryCode language: JavaScript (javascript)

LaunchPad Projects

Aguignard (Sonata, a MPD client)

deb http://ppa.launchpad.net/aguignard/ppa/ubuntu intrepid main #Sonata
deb-src http://ppa.launchpad.net/aguignard/ppa/ubuntu intrepid main #SonataCode language: JavaScript (javascript)

Bazaar

deb http://ppa.launchpad.net/bzr/ubuntu intrepid main #Bazaar
deb-src http://ppa.launchpad.net/bzr/ubuntu intrepid main #BazaarCode language: JavaScript (javascript)

Bazaar BETA

deb http://ppa.launchpad.net/bzr-beta-ppa/ubuntu intrepid main #Bazaar BETA
deb-src http://ppa.launchpad.net/bzr-beta-ppa/ubuntu intrepid main #Bazaar BETACode language: JavaScript (javascript)

Blueman

deb http://ppa.launchpad.net/blueman/ppa/ubuntu intrepid main #Blueman
deb-src http://ppa.launchpad.net/blueman/ppa/ubuntu intrepid main #BluemanCode language: JavaScript (javascript)

blueyed (TV-Browser)

deb http://ppa.launchpad.net/blueyed/ppa/ubuntu intrepid main #blueyed (TV Browser)
deb-src http://ppa.launchpad.net/blueyed/ppa/ubuntu intrepid main #blueyed (TV Browser)Code language: JavaScript (javascript)

c-korn (wine, vlc)

deb http://ppa.launchpad.net/c-korn/ubuntu intrepid main restricted multiverse universe #wine, vlcCode language: JavaScript (javascript)

Conduit

deb http://ppa.launchpad.net/conduit/ubuntu intrepid main
deb-src http://ppa.launchpad.net/conduit/ubuntu intrepid mainCode language: JavaScript (javascript)

Deluge

deb http://ppa.launchpad.net/deluge-team/ubuntu intrepid main #Deluge
deb-src http://ppa.launchpad.net/deluge-team/ubuntu intrepid main #DelugeCode language: JavaScript (javascript)

Gnome Do

deb http://ppa.launchpad.net/do-core/ubuntu intrepid main #Gnome Do
deb-src http://ppa.launchpad.net/do-core/ubuntu intrepid main #Gnome DoCode language: JavaScript (javascript)

Gnome Do BETA

deb http://ppa.launchpad.net/do-testers/ppa/ubuntu intrepid main #Gnome Do BETA
deb-src http://ppa.launchpad.net/do-testers/ppa/ubuntu intrepid main #Gnome Do BETACode language: JavaScript (javascript)

Gnome Terminator

deb http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu intrepid main restricted universe multiverse #Terminator
deb-src http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu intrepid main restricted universe multiverse #TerminatorCode language: JavaScript (javascript)

GnuCash

deb http://ppa.launchpad.net/gnucash/ppa/ubuntu intrepid main #GnuCash
deb-src http://ppa.launchpad.net/gnucash/ppa/ubuntu intrepid main #GnuCashCode language: JavaScript (javascript)

Hamster Applet

deb http://ppa.launchpad.net/hamster.support/ubuntu hardy main
deb-src http://ppa.launchpad.net/hamster.support/ubuntu hardy mainCode language: JavaScript (javascript)

hyperair (Pidgin)

deb http://ppa.launchpad.net/hyperair/ubuntu intrepid main #hyperair (Pidgin)
deb-src http://ppa.launchpad.net/hyperair/ubuntu intrepid main #hyperair (Pidgin)Code language: JavaScript (javascript)

james-w (Ubuntu Netbook Remix)

deb http://ppa.launchpad.net/james-w/ubuntu intrepid main
deb-src http://ppa.launchpad.net/james-w/ubuntu intrepid mainCode language: JavaScript (javascript)

mishd (Hotwire, PasswordSafe)

deb http://ppa.launchpad.net/mishd/ubuntu hardy main
deb-src http://ppa.launchpad.net/mishd/ubuntu hardy mainCode language: JavaScript (javascript)

mozillateam (Mozilla Alpha)

deb http://ppa.launchpad.net/mozillateam/ppa/ubuntu intrepid main #Mozilla Alpha
deb-src http://ppa.launchpad.net/mozillateam/ppa/ubuntu intrepid main #Mozilla AlphaCode language: JavaScript (javascript)

Netbook Remix (official)

deb http://ppa.launchpad.net/netbook-remix-team/ppa/ubuntu intrepid main #Netbook-Remix
deb-src http://ppa.launchpad.net/netbook-remix-team/ppa/ubuntu intrepid main #Netbook-RemixCode language: JavaScript (javascript)

nijel (gammu)

deb http://ppa.launchpad.net/nijel/ubuntu intrepid main #gammu
deb-src http://ppa.launchpad.net/nijel/ubuntu intrepid main #gammuCode language: JavaScript (javascript)

OpenOffice.org

deb http://ppa.launchpad.net/openoffice-pkgs/ubuntu intrepid main #OpenOffice.orgCode language: JavaScript (javascript)

stemp (Midori Browser)

deb http://ppa.launchpad.net/stemp/ubuntu intrepid main #Midori
deb-src http://ppa.launchpad.net/stemp/ubuntu intrepid main #MidoriCode language: JavaScript (javascript)

SynCE

deb http://ppa.launchpad.net/synce/ubuntu intrepid main #SynCE
deb-src http://ppa.launchpad.net/synce/ubuntu intrepid main #SynCECode language: JavaScript (javascript)

tualatrix (Ubuntu Tweak)

deb http://ppa.launchpad.net/tualatrix/ubuntu intrepid main #Ubuntu Tweak
deb-src http://ppa.launchpad.net/tualatrix/ubuntu intrepid main #Ubuntu TweakCode language: JavaScript (javascript)

webkit-team (Midori)

deb http://ppa.launchpad.net/webkit-team/ppa/ubuntu intrepid main #Webkit-Team
deb-src http://ppa.launchpad.net/webkit-team/ppa/ubuntu intrepid main #Webkit-TeamCode language: JavaScript (javascript)

Medibuntu 8.10

## Medibuntu - Ubuntu 8.10 "intrepid ibex"
## Please report any bugs on https://bugs.launchpad.net/medibuntu/
deb http://packages.medibuntu.org/ intrepid free non-free #Medibuntu
deb-src http://packages.medibuntu.org/ intrepid free non-free #MedibuntuCode language: PHP (php)

Opera

deb http://deb.opera.com/opera/ stable non-free #OperaCode language: JavaScript (javascript)

playdeb (Games)

deb mirror://www.getdeb.net/playdeb-mirror/hardy/// hardy/Code language: JavaScript (javascript)

Skype

Contents

deb http://download.skype.com/linux/repos/debian/ stable non-free #SkypeCode language: JavaScript (javascript)

VirtualBox

deb http://download.virtualbox.org/virtualbox/debian intrepid non-free #VirtualBoxCode language: JavaScript (javascript)

wine

## Bleeding edge wine repository for Hardy
## only uncomment it if you need it
deb http://wine.budgetdedicated.com/apt intrepid main #Wine bleeding edge
deb-src http://wine.budgetdedicated.com/apt intrepid main #Wine bleeding edgeCode language: PHP (php)