MessageChat for Facebook
The 2.0.4 version of MessageChat for Facebook for Mac is available as a free download on our website. Our built-in antivirus scanned this Mac download and rated it as 100% safe. This free Mac application was originally designed by FaceChat for Facebook. MessageChat for Facebook for Mac lies within Communication Tools, more precisely Texting & Video calls.
From the developer:
MessageChat - for Facebook lets you instantly access your Facebook account without having to open your web browser. You can open the app conveniently from the Status Bar icon. You can toggle between the Desktop and the Mobile interface with a click. The application's interface becomes transparent when inactive.
You may want to check out more software for Mac, such as FaceChat for Facebook, Facebook for Adobe AIR or Facebook Ads Manager, which might be similar to MessageChat for Facebook.