-zego-zim
· ZEGO Instant Messaging (ZIM) is a real-time communication and interaction product, providing developers with full-platform interaction, massive concurrency, ultra-low latency, message must reach communication services, helping to create large live broadcast, chat room and other scenes
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window zim-2.9.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.