DocTree helps developers, independent learners, researchers, and curious minds understand a topic through structured learning articles. Start with a topic or your own sources, choose your knowledge level and available reading time, and explore explanations with citations and diagrams.
While reading, select any passage to ask the AI companion for a simpler explanation, an example, or a follow-up answer in context. Saved reading progress makes it easy to return and continue learning. A free plan is available, with paid plans for higher usage.