some free good stuff

1. AOL and McAfee's free anti-virus software：
https://new.aol.com/sscweb/Controller.jpf?promo1=824227&promo2=824227&ncid=AOLCMP00300000001523
you only need to apply an AOL email。

2.malware removal tool：
http://www.safer-networking.org/en/index.html

3.Canadian tax filing software StudioTax, certified by CRA:
http://www.studiotax.com/en/main.htm
all CRA certified tax filing software：
http://www.netfile.gc.ca/software-e.html


3.more coming...

（use at your own risk）