1. Ultimate List of Free Windows Software from Microsoft
http://bhandler.spaces.live.com/blog/cns!70F64BC910C9F7F3!1231.entry?wa=wsignin1.0&sa=516393780
Really a great collection. After checking these you will not have to go for third party utilities for small little windows tweaks. I loved Open Command Window Here.
2. 10+ tools to save yourself in School
http://www.makeuseof.com/tag/10-web-tools-to-save-your-butt-in-school/
The bonus was interesting
3. Are My Sites Up ?
Good small tool to make sure your all web sites are up and serving the cause.
4. WhisperBot
Send and receive confidential notes securely and its free..
If you want to know why I suggest you this and suggest you in BOLD fonts then please check the following blog posts.
http://www.gnucitizen.org/blog/google-gmail-e-mail-hijack-technique/ ( Please check comments section also )
Advice : Please check your gMail Filters if you have clicked and visited any links in these blog posts.