What I like the most
There are many Free and Better alternatives for list mentioned below. I like them because they make my life simple.
Microsoft
1. Windows
2. Office (Word, Excel, Outlook, Power point, Access)
3. Visual Studio
4. Notepad
5. Microsoft Shared View
6. Microsoft Security Essentials
7. Snipping Tool
8. SQLServer
1. Search
2. Gmail
3. Picasa
4. Chrome
5. Reader
6. Bookmarks
Apple
1. iPhone
2. iTunes
Adobe
1. Photoshop
2. Reader
Freebies
1. Advance System Care
2. Core FTP
3. Mp3 Tag
4. DropBox
5. Stickies
Open Source
1. Word Press
2. Audacity
3. SM Player
4. 7-Zip
5. NHM Writer
6. DVD Decrypter