Unity package. Fully cross-platform WebSocket client library.
Supports secure wss:// connections out of the box.
Make sure you have standalone Git installed first. Reboot after installation.
In Unity, open "Window" -> "Package Manager".
Click the "+" sign at the top left corner -> "Add package from git URL..."
Paste this: https://github.com/forcepusher/com.bananaparty.websocketclient.git#1.1.0
See minimum required Unity version in the package.json file.