Reviewers describe Obsidian as a fast, local-first markdown notebook that excels at personal knowledge management. They repeatedly praise its backlinks, graph view, search, keyboard-driven workflow, and huge plugin community, saying it can scale from simple writing to research wikis, study notes, and daily work. Several makers echo that: the team at
NextPhone uses it for roadmap and internal docs, while others call it an IDE for thought. The main drawbacks are a steep learning curve, occasional UI clutter, and some friction around sync, search, and Markdown limits.