>cd to
http://mac.softpedia.com/get/System-Utilities/cdto.shtml
Open terminal at the directory of the front most finder window.
aMSN
http://www.amsn-project.net/
I think this is the closest to Windows Live Messenger.
BibDesk
http://bibdesk.sourceforge.net/
Use BibDesk to edit and manage your bibliography. It will keep track of both the bibliographic information and the associated files or web links for you. Good for LaTeX users
Caffeine
http://lightheadsw.com/caffeine/
Give your Mac a cup of coffee to prevent it from automatically going to sleep.
Cyberduck
http://cyberduck.ch/
FTP Client
Delivery Status
http://www.apple.com/downloads/dashboard/shopping/deliverystatus.html
The status will update automatically for you, and even count down the days! It also works with Growl to give you pop-up message, email notifications, and more, whenever your package status changes.
Eclipse
http://www.eclipse.org/downloads/
Super IDE!
Firefox
http://www.mozilla.com/en-US/firefox/upgrade.html?from=getfirefox
Web Browser
Folx
http://mac.eltima.com/download-manager.html
Download Manager
Linotype FontExplorer X 1.2.3
http://www.fontexplorerx.com/download/
Font Manager
Growl
http://growl.info/
Growl lets Mac OS X applications unintrusively tell you when things happen.
iTunes – Covershare plugins
http://code.google.com/p/covershare-plugins/downloads/list
Find Thai mp3 covers easily
iTunes – ThaiTunes
http://www.macdd.com/webboard/viewtopic.php?t=2095
Fix unreadable Thai songs name
MacFUSE
http://code.google.com/p/macfuse/
MacFUSE allows you to extend Mac OS X’s native file handling capabilities via 3rd-party file systems.
MacLoc
http://ourapples.com/downloads/macloc
Lock your computer while you are away.
MacTeX
http://www.tug.org/mactex/
TeX for Mac
Miro
http://www.getmiro.com/download/
Video browser and downloader
NameChanger
http://namechanger.en.softonic.com/mac
Batch rename utility
NTFS-3G
http://macntfs-3g.blogspot.com/
Support NTFS on Mac
QuickSilver
http://docs.blacktree.com/quicksilver/what_is_quicksilver
Application launcher & more
RealPlayer
http://www.real.com/mac/realplayer?src=realhome_spmac_bb_0_1_1_0_0_2_0&pcode=rn&opage=realhome_spmac_bb
Play *.rm, *.rmvb files
rEFIt
http://refit.sourceforge.net/
Boot menu for Multi-OS
Skim
http://skim-app.sourceforge.net/
PDF Reader
Skype
http://www.skype.com/download/skype/macosx/
Chat, Talk
Smultron
http://tuppis.com/smultron/
Smultron is a free text editor for Mac OS X Leopard 10.5 which is both easy to use and powerful. It provides syntax highlighting and tabbed browsing
SpaceSuit
http://www.docklandsoft.com/spacesuit/
Allows different background for each space. Setting or changing a background image has never been easier. Drag your image to SpaceSuit’s Dock icon and SpaceSuit will immediately apply it to the current Space.
StuffIt Expander
http://my.smithmicro.com/mac/stuffit/expander.html
Decompress (Unzip) utility. Only expander is free but full is commercial.
TeXShop
http://www.uoregon.edu/~koch/texshop/
LaTeX editor
Thai Dictionary
http://www.apple.com/downloads/macosx/productivity_tools/thaidictionary.html
Include Thai dictionary in OS X dictionary application
Toast Titanium [commercial]
http://www.roxio.com/enu/products/toast/titanium/overview.html
Complete CD/DVD burning solution
Transmission
http://www.transmissionbt.com/
BitTorrent client
Twhirl
http://www.twhirl.org/
Twitter client. Can be installed directly from web without download
VLC
http://www.videolan.org/vlc/
VLC media player is a multimedia player capable of reading most audio and video formats.
VMWare Fusion [commercial]
http://www.vmware.com/products/fusion/
Virtual machine
Zipeg
http://www.zipeg.com/
See inside zip files without extracting