Yes, Ultralingua. > http://www.birungueta.blogspot.com. ( The most complete dictionary) This is a portable software, no installation required. Note that it isn't a freeware, but as a portable software, you have to use it without internet connection, otherwise.....
Not all but most of them require internet connection.
Yes WinZip Freeware does require a download. WinZip is a free download. It can be found with a simple search on the internet. Latest updates are free too.
Yes, the war soul storm require internet connection to download.
No. (Obviously, online multiplayer does require an Internet connection.)
yes.
yes
Yes a modem and an ISP (Internet Service Provider) are required for an internet connection. Depending on the type of internet the ISP will issue you a modem.
Command and Conquer does not require internet connection to play However, Command and Conquer 4: Tiberium Twilight can be quite strange if you do not have a constant internet connection while playing.
Yes it does
NetFlix will require an Internet connection to work. Therefore, if you do not have an internet connection, you will not have Netflix working in your place of residence.
Yes, it will require an internet connection. Just like Skype ;)
Troubleshooting your internet connection doesn't require any special tools. To get step by step details you can visit http://www.ehow.com/how_5358396_troubleshoot-identify-internet-connection-problems.html.