Snappy Messenger for Facebook (was MessengerApp for Facebook) lets you chat right away with your Facebook friends via Messenger. It provides a minimal interface from where you get the entire list of Facebook friends according to the chat history, with the chat interface beside that. Using Snappy Messenger for Facebook has its own perks and usefulness. Get a notification in the Notification Center each time you get a new message, along with the image of that person. One can also quickly chat from the menu bar, and explore other conversations. It's fast, easy, and simple.