As more and more companies are now moving towards open source software model, the need for open source documentation is also increasing. For technical communicators, there is a paradigm shift needed when managing and contributing to open source documentation. Managing documentation for open source products is often cumbersome and tedious, especially when you do not want to invest a lot on tools and training to create documents. Success to a good open source documentation requires a lot of planning and thinking in the areas of tools, design, process, scope for scalability, and adaptability for collaborative way of working. Let’s get introduced to the challenges, strategies, and tools (such as GitHub, GIT, Read the docs, markdown, Kramdown) that you need to be aware to enter the open source doc world.