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

Gawker


gawker.sourceforge.net
Mac OSX
Makes time-lapse photography/movie making extremely easy using the built-in iSight on the new macs, or any attached camera. Just input the interval between frames, and what movie output you would like. Interesting also is it's ability to attach to remote cameras attached to other macs through bonjour.

Integrity and Xenu's Link Sleuth


Xenu's Link Sleuth
Mac OSX, Windows
If you run a website, it is always a good idea to check peridically for broken links. These two programs are the best automated link checkers I have found. Integrity for Macs, and Xenu's for PCs.

Angry IP Scanner


www.angryziber.com
Mac OSX, Windows, Linux
Angry IP scanner is a very fast IP address and port scanner. It can scan IP addresses in any range as well as any their ports. Useful in analyzing firewall rules and security concerns. It is cross-platform and lightweight.

VLC


http://www.videolan.org/vlc/
Mac OSX, Windows, Linux
An open source media player capable of playing a wide verity of video formats.  Definitely a good replacement for the sometimes clumsy Windows Media Player, which is no longer being updated for OSX.

Njam


njam.sourceforge.net
Mac OSX, Windows, Linux
Njam is a full-featured cross-platform pac-man-like game

Klondike Forever


solitaireforever.com/klondike/
Mac OSX, Windows
Fast-pased 3D Solitare.

Picasa


picasa.google.com
Windows
An excellent piece of software made by the folks at Google to organize, edit, and share your digital photos. Very much the equivalent to iphoto for those poor people not fortunate enough to have a Mac.

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.

ClamXav


clamxav.com
Mac OSX
Free virus scanning for OSX.  Yes it's true that viruses, for the most part, do not effect OSX users.  However, since most of the world uses Windows it is a good idea to make sure you are not emailing something harmful to your fiends and colleagues.  It also will scan for macro viruses which are a problem if running Microsoft Office on a Mac.

OpenOffice


openoffice.org
Mac OSX, Windows, Linux
The open source alternative to Microsoft's Office suite of programs.  I have been using the software for a couple years, and have been amazed how quickly it has matured. Open Office can read/write the common Microsoft formats (.doc, .ppt, .xls), and has the useful ability to save slide shows as flash movies.  Unfortunately it is not an OSX native program and must be run inside the the X11 window system.  I recommend NeoOffice for the OSX folks.

NeoOffice


neooffice.org
Mac OSX
What could be better than the free feature-rich OpenOffice program suite?  How about an OSX native  version (no need for X11)!  In addition to word processing, spreadsheets, and presentations with NeoOffice you can create drawing documents, HTML pages, business cards, and master templates.

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).

Audacity


audacity.sourceforge.net
Mac OSX, Windows, Linux
A very nice interface for editing sound files, or recording voice.  It is a great choice for teachers interested in doing a podcasting project.

Free Ruler


pascal.com
Mac OSX
The name says it all. Measure things in pixels, inches, etc with this nice looking screen ruler. Found it helpful for object placement in web development. And in the creation of object reports for powerschool.

JumpCut and Clipboard Buddy


Clipboardbuddy
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.

SyncBack


www.2brightsparks.com
Windows
A simple yet powerful backup utility for Windows.  Can be used to backup or synchronize critical folders to backup drives, or network shares.  Contains many advanced options like email notifications, encryption, compression, filtering, and will even close active programs if you like.

SeaShore


seashore.sourceforge.net
Mac OSX
Seashore is an OSX native image editor based on the popular unix program GIMP.  The program has the look and feel of Photoshop Elements,  and shares many of photoshop's features such as: layering, alpha masks, and channels.  Files can be saved as TIFF or JPEG.  Great for middle school classes that want to do more advanced image editing.

Image Tricks


www.belightsoft.com
Mac OSX
This is not so much a image editing program as it is a image manipulation program. With Image Tricks you can apply a large number of effects to pictures using the core image filters built into OS 10.4.

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.

HandBrake


handbrake.fr
Mac OSX, Windows, Linux
A program to rip DVDs to MPEG-4 video (or MP3 audio). Useful if you ever wanted to take your videos on the go without bringing the disk. Also handy if you want to cut a video or audio clip out of a movie and us it in a project.

NmapFE


faktory.org/m/software/nmap/
Mac OSX
A popular port scanning and network security utility; NmapFE for OS X is a no hassles, GUI version for us Mac users.

Bonjour Browser


www.tildesoft.com
Mac OSX
The application will scan the LAN for any nodes which are Bonjour enabled, and present them in a single window.

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