demo： https://www.starrtc.com/demo/im/
Android and iOS demo can also send a message to this page:
Android source code：https://github.com/starrtc/starrtc-android-demo
IOS source code: https://github.com/starrtc/starrtc-ios-demo
This product is free completely and provides a free private deployment server program that supports all features.
Support QQ group ID：807242783