Caprine 
Unofficial Facebook Messenger app
Install
macOS 10.9+, Linux, and Windows 7+ are supported (64-bit only).
macOS
Download the .dmg file.
Or with Cask: $ brew cask install caprine
Linux
Download the .AppImage or .deb file.
The AppImage needs to be made executable after download.
Windows
Download the .exe file.
Features
Background behavior
When closing the window, the app will continue running in the background, in the dock on macOS and the tray on Linux/Windows. Right-click the dock/tray icon and choose Quit to completely quit the app. On macOS, click the dock icon to show the window. On Linux, right-click the tray icon and choose Toggle to toggle the window. On Windows, click the tray icon to toggle the window.
If you like to have Caprine minimized on startup, open it from the command-line with the --minimize flag.
Dark mode
You can toggle dark mode in the View menu or with Cmd D / Ctrl D.
Vibrancy
On macOS, you can toggle the window vibrancy effect in the View menu.
Jump to conversation hotkey
You can switch conversations similar to how you switch browser tabs: Cmd/Ctrl n (where n is 1 through 9).
Compact mode
The interface adapts when resized to a small size.
Desktop notifications
Desktop notifications can be turned on in Preferences.
Always on Top
You can toggle whether Caprine stays on top of other windows in the Window/View menu or with Cmd/Ctrl Shift t.
Keyboard shortcuts
| Description | Keys |
|---|---|
| New conversation | Cmd/Ctrl n |
| Search conversations | Cmd/Ctrl f |
| Toggle "Dark mode" | Cmd/Ctrl d |
| Next conversation | Cmd/Ctrl ] or Ctrl Tab |
| Previous conversation | Cmd/Ctrl [ or Ctrl Shift Tab |
| Jump to conversation | Cmd/Ctrl 1…9 |
| Mute conversation | Cmd/Ctrl Shift m |
| Archive conversation | Cmd/Ctrl Shift a |
| Delete conversation | Cmd/Ctrl Shift d |
| Toggle "Always on Top" | Cmd/Ctrl Shift t |
| Toggle window menu | Alt (Windows only) |
Dev
Built with Electron.
Run
$ npm install && npm start
Build
See the electron-builder docs.
Publish
Use np and for example run:
$ np minor --no-publish
Then edit the automatically created GitHub Releases draft, remove the .pkg file, and publish.
License
MIT © Sindre Sorhus



