What are some of the best products i can get online for free?

I am looking for some free downloads online of items for the computer...such as AntiVirus(removal),spyware(removal) ,or any other purpose.Can you please name some products i can download online for free and what they are particularly for?Also..What program can i get(Preferrably free) to check for hacking,or anything such as that?Thank you in advance.

What are some of the best products i can get online for free?norton 2008

I recommend you use these programs (they are free).

1) AVG Free anti-virus

http://free.grisoft.com/freeweb.php/doc/...

2) Ad-aware spyware remover

http://www.lavasoftusa.com/products/ad_a...

3) Spybot - Search and Destroy spyware remover

http://www.safer-networking.org/en/index...

4) Advanced WindowsCare Personal

http://www.iobit.com/

5) CCleaner - registry and privacy cleaner

http://www.ccleaner.com/

What are some of the best products i can get online for free?pop up blocker

goto www.download.com and search for whatever you need.