On the Salesforce Stack Exchange, a lot of moderation is performed directly by the community,
This is just a quick post for those people who aren't necessarily programmers, but would like to learn and help out a good cause in the process. Haiku (www.haiku-os.org) is a fantastic and very promising operating system in need of native applications.
If you'd like to to learn how to program and use an incredibly well crafted C++ API then look no further than Darkwyrm's Blog on the Haiku website, he has a tutorial series underway - beginning with C++ fundamentals and moving onto Haiku application development (starting at Lesson 14). This is a great chance to learn new skills and help out in a community where every extra helping hand goes a long way.