ChatMate for Facebook is a powerful client for Facebook Messenger. Unique features to be found only in ChatMate for Facebook

The Best App to use WhatsApp on Mac! Top Paid App on the Mac App Store.

…but why would you prefer SopoChat for WhatsApp?

Tweetbot is an award-winning, native Twitter client for the Mac. This full-featured client has fantastic support for multiple accounts and lists. It also has powerful mute filters, multiple column views, and much more.

Messenger for VK (ex VKMessages) - best client-messenger for VK. This client allows you to communicate directly from the desktop.

The Best App to use Facebook Messenger on Mac!

What to add in the next version? Please, write your suggestions in a review.

PhotoGrid for Instagram is an excellent app that provides the best Instagram experience on your Mac.
Besides view feeds, popular and nearby photos & videos, you can also like & comment photos & videos from Instagram directly on your Mac.

iGallery (was InstaMaster) is an excellent app that provides the best Instagram experience. Besides viewing feeds and popular and nearby photo/videos, you can also upload photos to Instagram directly from your Mac.

Blink is a state of the art, easy to use multimedia SIP client. It is elegant, intuitive to use and feature-full.

SocialPanel brings completely new experience to access your favorite social networks from your desktop.

SocialPanel stays hidden from your desktop without disturbing your work and fades in or out when you move your mouse to the very right side of the screen (excluding the corners so you can use the OS X hot-corner shortcuts).

With Current, you can message friends in their own Messenger windows and quickly access your inbox, notifications, and online friends right from the menu bar.

Current isn’t just a messaging app. It’s a complete replacement for using Facebook in the browser, and it’s built to give you the best possible experience on the Mac. Current allows you to use only the parts of Facebook that you want and doesn’t include any annoying cross-promotional ads.

Gif Machine is a powerful and simple app which helps you to create awesome GIFs by recording your screen, recording your webcam or just from images.