LockLogin
· LockLogin is an advanced login plugin, one of the most secure available,
with tons of features. It has a lot of customization options to not say
almost everything is customizable. Regular updates and one of the bests
discord supports ( according to spigotmc reviews ). LockLogin is a plugin
always open to new feature requests, and bug reports. More than a plugin,
a plugin you can contribute indirectly; A community plugin for the plugin community.
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 LockLogin-1.13.49.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.