When Jigsaw was released with Java 9, it was the end of a long process - it had been postponed already - and it had to be released. With the coming of Java 11, the latest Long-Term Support, I think it’s a good time to take a snapshot of the state of modularization. I’ll use the Top 20 Libraries and APIs Java Developer should know as a reference, and check for each of them if the latest version: provides an automatic module nameor has a module-info In the first case, the JAR has a