OSX apps to go

http://www.freesmug.org/portableapps

Return your Apps folder to the dock

http://googlemac.blogspot.com/2008/04/appmenuboy.html

Save and convert YouTube videos

http://www.linux.com/feature/133157

Convert between audio formats

http://www.linux.com/feature/132872

XBMC revisited

http://lifehacker.com/389217/xbmc-turns-your-mac-into-the-ultimate-media-center

Sync directories with Unison

http://www.ubuntugeek.com/unison-file-synchronization-tool.html

Add USB support to VirtualBox

http://www.ubuntu-unleashed.com/2008/04/howto-install-virtualbox-in-hardy-heron.html

Quickies: DVD playback on Ubuntu

http://www.tech-recipes.com/rx/2765/ubuntu_enable_dvd_playback

Build a spamsnake gateway

http://www.howtoforge.com/the-perfect-spamsnake-ubuntu-8.04

Perfect desktop - Hardy Heron

http://www.howtoforge.com/the-perfect-desktop-ubuntu-8.04-lts-hardy-heron

WLAN security basics

http://arstechnica.com/guides/tweaks/wireless-security.ars

SEO cheatsheet

http://www.seomoz.org/blog/the-web-developers-seo-cheat-sheet

Using msort

http://www.linux.com/feature/134956

Linux twitter clients

http://www.linux.com/feature/133001

Implementing SPA

http://www.linux.com/feature/135100

Mac keyboard shortcuts

http://guides.macrumors.com/Keyboard_shortcuts