Top 10 Free Windows Software
From PeTechWiki
Rainlendar Lite
Rainlendar is a customizable calendar application which stays out of your way but keeps all your important events and tasks always visible on your desktop.
POP Peeper
POP Peeper is an email notifier that runs in your Windows task bar and alerts you when you have new email on your POP3, IMAP (with IDLE support), Hotmail\MSN\LiveMail, Yahoo, GMail, MyWay, Excite, iWon, RediffMail, Juno and NetZero accounts.
AVG Anti-Virus Free Edition
AVG Anti-Virus Free Edition provides basic antivirus and anti-spyware protection for Windows. It is for private and non-commercial use only.