This document provides an overview of ways to contribute to Wikipedia and the Wikimedia projects. It discusses contributing by hacking on the MediaWiki software, reusing and remixing Wikipedia data through the API, translating content to other languages, designing user interfaces, administering systems infrastructure, creating mobile apps, developing bots, writing extensions, and contributing to the core codebase. The document encourages testing new features, fixing bugs, and joining the community through the provided resources on the Wikimedia site. It highlights the large scope and open nature of the Wikipedia projects.
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