gotMailG 2.0 (by holetse)
gotMailG is a simple widget that reports the number of unread messages in your Gmail account without any fancy graphics or using much Dashboard space.

Widget Mail 1.6 (by haym37)
Do you want to send a quick message to someone? Know that they check their Dashboard often? Don’t want to wait for them to check their email? Then Widget Mail is for you! You can use it to ask someone in your office a quick question or to ask your friend to have lunch with you.

Buddy Status 1.4u (by Adam’s Universe)
Want to stalk your friends, but hate having a buddy list open?

Buddy Status is a simple Dashboard widget for Mac OS X v10.

Send SMS Widget 2.0 (by Alco Blom Software)
How do you send an SMS? Are you using the T9 input method? Are you also wondering why you are using these small keys with numbers on it to enter text while you have your Mac keyboard in front of you? Then the Send SMS widget is for you.

FTP Drop 1.0 (by Chris O'Brien & Jasper Hauser)
FTP Drop is the quickest and most convenient way to upload files to your favorite FTP servers and directories.