FTP and SSH
			FTP Explorer An easy-to-use shareware client that mimics the Windows Explorer interface, allowing you to transfer files to an FTP server, or to your personal website. www.ftpx.com
			Tera Term Pro A free software terminal emulator (communication program) that works on Microsoft Windows platforms. http://hp.vector.co.jp/authors/VA002416/teraterm.html
			PuTTY A free software telnet and SSH client for Windows and UNIX. Used to run a remote session over a network. www.chiark.greenend.org.uk/~sgtatham/putty/
			SSH Secure Shell An SSH and sftp client, this non-commercial version is free for educational and home use. Encrypts traffic to eliminate eavesdropping and more. www.openssh.com

	Compression/Expansion Tools
			WinZip This easy to use file compression tool for handling Zip files. You can try out an evaluation copy before you purchase it. http://www.winzip.com.
			Aladdin Stuffit Expander The popular and free file application easily expands and decodes files you download from the Web or receive in your email. http://my.smithmicro.com/win/stuffitexpander/index.html
			Winrar Powerful archive manager that can back up data and reduce the size of attachments, decompress downloaded files, and more. Free trial. www.rarlabs.com/

	Protection
			Norton AntiVirus from Symantec Protect your PC with the antivirus software that's installed on all campus computers. Students living in Adelphi dorms can download it free. Others can buy it at www.symantec.com.
			AVG Anti-Virus This software is one of the most popular free solutions to basic security protection on non-commercial PCs. www.grisoft.com/doc/products-avg-anti-virus-free-edition
			BitDefender Online Scan Scans your system's memory, files, folders and drive boot sectors, allowing you the option to automatically clean the infected files. www.bitdefender.com/scanner/online/free.html
			AdAware Free protection against spyware that secretly attaches to your PC. Helps prevent aggressive pop-ups, sluggish computer activity, and identity theft. www.lavasoft.com/
			Spybot Search & Destroy Detects and removes spyware, which silently tracks your surfing to create a marketing profile for ad companies. www.safer-networking.org/en/
			Windows Defender Free program that helps protect your computer against pop-ups, slow performance, and security threats from spyware. www.microsoft.com/windows/products/winfamily/defender/

	Browsers
			Mozilla Firefox This award-winning open-source Web browser is used by millions worldwide. Fast, secure, and fully customizable to your online life. www.mozilla.com/firefox/

	Computer Languages
			Dr. Scheme Part of PLT Scheme, an interactive, integrated free graphical programming environment for the Scheme, MzScheme, and MrEd programming languages. www.drscheme.org
			Java SE Java Platform, Standard Edition lets you develop and deploy Java applications on desktops and servers. http://java.sun.com/javase/index.jsp
			BlueJ An integrated Java environment designed for introductory teaching. Emphasizes visualization, interactive techniques, exploration, and experimentation. www.bluej.org

	Others
			Adobe Acrobat Reader An essential free download that allows you to view, search and digitally sign PDF files, the standard for trusted distribution of information. www.adobe.com
			eBeam Software for 3M SmartBoard For faculty to use the digital whiteboard, download the Luidia software to the computer that's to be used during instruction. www.luidia.com/downloads/software.html
			FinePrint Use FinePrint to reduce the environmental impact of your printing. Cut paper, ink and printer costs by at least 30% with this award-winning printer utility. www.fineprint.com
			OpenOffice The free open-source office suite includes components for word processing, spreadsheets, presentations, graphics design, databases, and more. www.openoffice.org

These and many other PC programs can be downloaded through CNET's Download.com.

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Similarly, many Mac programs can be downloaded for free or for a trial evaluation:

	FTP and SSH
			Fugu A free secure file transfer protocol (SFTP) application featuring drag-and-drop upload and download of files, external editor support, and image previews. http://rsug.itd.umich.edu/software/fugu
			NiftyTelnet Freeware from http://asg.web.cmu.edu/andrew2/dist/. An SSH-enhanced telnet version is available from www.lysator.liu.se/~jonasw/freeware/niftyssh/

	Compression/Expansion Tools
			Aladdin Stuffit Expander The popular and free file application easily expands and decodes files you download from the Web or receive in your email. http://my.smithmicro.com/mac/stuffitexpander/index.html

	Protection
			Norton AntiVirus from Symantec Protect your PC with the antivirus software that's installed on all campus computers. Students living in Adelphi dorms can download it free. Others can buy it at www.symantec.com

	Browsers
			Mozilla Firefox This award-winning open-source Web browser is used by millions worldwide. Fast, secure, and fully customizable to your online life. www.mozilla.com/firefox/

	Computer Languages
			Dr. Scheme Part of PLT Scheme, an interactive, integrated free graphical programming environment for the Scheme, MzScheme, and MrEd programming languages. www.drscheme.org
			BlueJ An integrated Java environment designed for introductory teaching. Emphasizes visualization, interactive techniques, exploration, and experimentation. www.bluej.org

	Others
			Adobe Acrobat Reader An essential free download that allows you to view, search and digitally sign PDF files, the standard for trusted distribution of information. www.adobe.com/
			eBeam Software for 3M SmartBoard For faculty to use the digital whiteboard, download the Luidia software to the computer that's to be used during instruction. www.luidia.com/downloads/software.html
			OpenOffice The free open-source office suite includes components for word processing, spreadsheets, presentations, graphics design, databases, and more. www.openoffice.org

These and many other Mac programs, for Mac OS 8/9 or Mac OS X, can be downloaded from www.versiontracker.com/macosx/