Adobe Acrobat Reader is a free program by Adobe that lets you view PDF files.
FileZilla is an improved FTP (File Transfer) client.
Malwarebytes' Anti-Malware is a free anti-spyware and anti-malware scan and removal tool. It cleans infections and restores performance to your PC.
Firefox is a fast and reliable Web Browser
OpenOffice is a free Office Suite that is compatible with Microsoft Word, Excel and Powerpoint.
Putty is a small and fast Secure Shell Client. Use sunset.olemiss.edu as the Host Name if you are building your personal web site.
Spybot Search & Destroy
Spybot is a free application to scan and remove spyware, hijackers and other malicious software. Be sure to keep it updated!