I would like to practice specific technologies/frameworks like Hibernate, Spring, GWT and so on. How can I find an open-source project that uses specific frameworks technologies so I can contribute to it?
Questions on Programmers Stack Exchange are expected to relate to software development within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.
There are a number of ways, my preferred one is to use Github, as many OSS projects are hosted there:
Often, big open source projects have a "get involved" page that lists IRC channels, projects that use the software, etc:
Basically, join the specific community by going to their IRC channels, GitHub projects, etc. Once you know the technologies' communities, you'll know of other projects you can contribute to.