Communication
Chat clients
Name ⇵ | Description ⇵ | Get it ⇵ | ⇵ | ⇵ |
Adium | Adium is a free instant messaging application for Mac OS X that can connect to AIM, XMPP (Jabber), ICQ, IRC and more. | Website |  |  |
Seaglass | Seaglass is a native macOS client for Matrix. It is written in Swift and uses the Cocoa user interface framework. | Github |  |  |
Social network
Name ⇵ | Description ⇵ | Get it ⇵ | ⇵ | ⇵ |
TweetBot | Full-featured Twitter client for the Mac with multiple-column support and much more. | AppStore |  |  |
Aviary | A beautiful Twitter client built with macOS design guidelines in mind. | AppStore |  |  |
IRC
Name ⇵ | Description ⇵ | Get it ⇵ | ⇵ | ⇵ |
Textual | Textual is the most popular GUI application for IRC on macOS. | AppStore |  |  |
Messages
Name ⇵ | Description ⇵ | Get it ⇵ | ⇵ | ⇵ |
Chatology | Search and archive trough your message history (iMessage/GoogleTalk/Jabber). | Website |  |  |
Stickers | A native sticker manager for macOS | Website |  |  |