Jekyll is a popular open source tool that can be used for documentation that includes conditional filtering, single sourcing, PDF and HTML output, a robust TOC, search, context-sensitive help, collaboration, SME review, and more. With it you write primarily in Markdown, but can also use HTML or JavaScript in your content. Jekyll's architecture is flexible and customizable, utilizing your web development skills. If you work in a developer-centric shop, enjoy the freedom to code, and would like to replace proprietary help authoring tools, join us in this session to learn how Jekyll might be the solution for you.