I'm a member of Apache Struts PMC and I actively support the Apache Struts project. This is not the most popular web framework these days but it's still widely used by companies and having a proper level of support is important for those users. I'm working on adopting new features and fixing discovered security vulnerabilities.

I'm also supporting OGNL project which is an expression language used by other projects, e.g.: the Apache Struts, MyBatis. Plus I'm supporting Launch4j Maven Plugin - a very popular plugin to simplify usage of Launch4j.