SMSBug2 2.0 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The unique ID for this application's bundle is com.operasoftware.Widget.SMSBug2.
This free Mac app was originally developed by Opera Software ASA. The program lies within System Tools, more precisely Dashboard Widgets. The following version: 2.0 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
This widget will ease the process of sending an SMS with SMSBug (TM). You won't have to navigate to www.smsbug.com, login and click on 'Send' link anymore!
I'm using this widget myself for all of my texting needs.
No need to say that to use this widget you MUST HAVE an SMSBug account, see their website and check their rates for more info.
You may want to check out more software for Mac, such as Ping.fm, Digital Clock Widget or I Can Has Cheezburger, which might be related to SMSBug2.