Freeware... because the software police will eventually carry mace.

Skype


www.skype.com
Mac OSX, Windows, Linux
Voice over IP for the world. Chat, video chat or call anyone in the Skype network for free. Pay a monthly or per call fee to call regular phones and have your own number.

Anxiety


www.anxietyapp.com
Mac OSX
A super-lightweight to-do list application for Mac OS X Leopard that synchronizes with iCal and Mail. Its aim is to provide a streamlined, easily accessible interface to add and check off your tasks.

Deploy Studio


deploystudio.com
Mac OSX, Windows, Linux
Made by Apple engineers in France (though not offically sanctioned by Apple) Deploy Studio is an excellent replacemnet for the now end-of-life NetRestore. With Deploy Studio you can create a master image of any Mac or PC and clone that image through your network to any number of other computers. BUT WAIT, there is so much more. The program is designed so you may easily setup pre and post imaging events in a workflow. So as an example, you could setup a workflow for your school's video production lab that went like so:
  1. Create two partions on the drive one for OSX one for Windows.
  2. Blast my mac and PC master images to those new partitions.
  3. Install my video editing software.
  4. License said video editing software.
  5. Run some more post install scripts.
  6. Setup the proper network settings, and bind this computer to my directory.
  7. Etc, etc.

Google Earth


earth.google.com
Mac OSX, Windows, Linux

Well if you have yet to try out Google Earth you are missing out. This program is an amazing geographic vistualizer and mapping tool. Check out Google's education site for suggestions on how it can be incorporated into the classroom.

iConcertCal


iconcertcal.com
Mac OSX, Windows
Being a big concert goer I was so happy to stumble onto iConcertCal. It is an iTunes visualizer that will show you upcoming concerts and CD releases for the bands in your iTunes library. With nice rollover effects and direct links to buy tickets I think I can finally stop pouring over the early warning section of The Reader.

Scribus


www.scribus.net
Mac OSX, Windows, Linux

An open source professional page layout program, very popular on the Linux platform. Features a clean user interface and advanced functions such as color seperations.

Omni Dazzle


www.omnigroup.com
Mac OSX
Adds all kinds of fun functions to your mouse when doing presentations via a keyboard or mouse hot key.

Google Chrome


google.com/chrome
Windows
Google's newly launch web browser Chrome has got to be the fastest one out there for Windows. You can tell they put a lot of thought into it's clean design (what they are calling "one box") and interesting features (favorite thumnails, application shortcuts, crash control, etc).

Firebug


getfirebug.com
Mac OSX, Windows, Linux
I consider this Firefox addon a MUST for anyone involved in website development. With it you can view and edit the source and CSS code for sites your building IN REAL TIME while viewing the pages in firefox. Use the built-in inspector to drill through your own code or to see what other sites are empoying. Try out the debugging console for javascript or PHP. Validate your code. Get that placement just right with the DOM editor... and so much more.

Carbon Copy Cloner and Netrestore


bombich.com
Mac OSX
Both written by a Mac administrator's best friend... Mike Bombich.  Much like Norton Ghost for windows, Netrestore allows you to create disk image files and "clone" computers through a network connection.  Carbon Copy Cloner does the same but between two local disks.

Iceberg


s.sudre.free.fr
Mac OSX
A program which helps in the creation of OSX installer packages (.pkg files). Combined with Apple Remote Desktop, package files can be a powerful tool in the management of large scale Mac deployments.

Perian


www.perian.org
Mac OSX
Help Quicktime be all that it can be with Perian. This utility will allow Quicktime to play a wide range of video formats it otherwise would not support, like the popular DivX.

TextWrangler


barebones.com
Mac OSX
A free scaled down version of the popular BBedit program. A big help for projects that require a pure text editor (one that does not apply formatting), such as unix scripting, javascript, plist editing, or HTML coding.  See their site for the long list of features.

SpiceWorks


www.spiceworks.com
Windows
Is a network monitoring and inventory type software.  It can track and give all kinds of details about nodes on your network (PCs, Switches, Routers, Printers, etc). Unfortunately it must be run from Windows. But it can report on OSX, Linux, and Unix stations just fine.

MAMP and WAMP


www.mamp.info
Mac OSX
The ultimate web programming and design test tube.  Both WAMP and MAMP are self-contained environments running Apache, MySql, and PHP.  Meaning you can develop "traditional" websites and/or complex CMS web portals from the comfort of your personal computer. No knowledge of setting up web servers is required. WAMP is for Windows, and MAMP for Mac folk.

JumpCut and Clipboard Buddy


Jumpcut
Mac OSX, Windows
Both programs are what is commonly called clipboard-buffers. This means they will quietly sit in the background on your computer and store things that you cut or copy to the clipboard. After using one for a bit you will find yourself wondering how you ever got by with only copy/pasting one bit of text at a time. JumpCut is for OSX and Clipboard Buddy is for Windows.

Cyberduck


cyberduck.ch
Mac OSX
An easy to use FTP client for OSX. Even comes with a widget interface and example applescripts showing how to automate FTP transfers.

KeyPass


keepass.info
Mac OSX, Windows, Linux
A lightweight open source password manager.  The perfect way to keep track of passwords and other sensitive notes.  KeePass is a strongly encrypted database which is searchable, portable, and is unlocked with a single master password or password disk (for the 007 types).

PDFCreator


pdfcreator
Windows

Every Mac user knows that you can create a PDF directly from any print job in OSX.  But did you know you can get the same functionality in Windows?  Enter PDF Creator.  A free tool which will act as a virtual printer, and create PDF files from any print job.

Cronnix


Cronnix
Mac OSX
A GUI frontend for creating cron jobs.

AbiWord


abisource.com
Mac OSX, Windows, Linux
Yet another free alternative to Microsoft Word.  AbiWord is a full featured word processing program with intuitive controls and a clean layout, but minus some of the bells and whistles included in Word.  It can save documents in a variety of formats including doc, rtf, and the increasingly popular opendoc

Disk Inventory X and WinDirStat


disk inventory x
Mac OSX, Windows
Both programs are similar in function.  DiskInventory X works in OSX, WinDirStat in Windows.  When opened both programs index the files and folders on your hard drive (this could take awhile), then display the sizes of said files and folders graphically.  This helps answer two important questions:
1.  "Who is taking up all the space on my file server" - Network Admin
2.  "How do I get rid of this message saying my startup disk is full" - User

iRedLight


www.filewell.com
Mac OSX
Greatly extends the use for that tiny Apple remote that came with newer Macs. It allows the remote to control many system actions and programs including PowerPoint, NeoOffice, and QuickTime. Comes in very handy for presentations in and out of the classroom. The remote buttons can also be mapped to applescripts (the possibilities are endless).

AVG Free Edition


free.avg.com
Windows, Linux
Have Windows?  You need to worry about all kinds of security problems.  AVG will do a decent job of keeping your computer virus free... for free!
Please note that the free addition is only licensed for home/personal use.

Disk Inventory X and WinDirStat


windirstat
Mac OSX, Windows
Both programs are similar in function.  DiskInventory X works in OSX, WinDirStat in Windows.  When opened both programs index the files and folders on your hard drive (this could take awhile), then display the sizes of said files and folders graphically.  This helps answer two important questions:
1.  "Who is taking up all the space on my file server" - Network Admin
2.  "How do I get rid of this message saying my startup disk is full" - User

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