GeoTools
· Welcome to the homepage of the GeoTools build process
In the left side bar you should see a list of active modules,
visit each for more details on the status of each module.
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 geotools-24.2-oss84-1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.