Obsidian is a powerful, local-first Markdown note-taking and personal knowledge management (PKM) app available on macOS, Windows, Linux, iOS, and Android. It stores all notes as plain Markdown files on your device, giving you full ownership and control of your data.
Key Features
Bidirectional Linking – Connect notes with [[wikilinks]] and backlinks to build a networked web of ideas.
Graph View – Visualise the relationships between all your notes in an interactive graph.
Local-First Storage – All notes are stored as plain .md files on your device — no vendor lock-in, full data ownership.
Plugin Ecosystem – Over 2,000 community plugins available, including Dataview, Templater, and Tasks for advanced workflows.
Canvas – A visual infinite whiteboard for mapping out ideas spatially.
Bases – A built-in database feature for organising notes in structured, queryable tables.
Obsidian Sync – Optional paid add-on for end-to-end encrypted cloud sync across all devices.
Why Use Obsidian?
Obsidian is built for users who want total control over their notes and the freedom to build a deeply personalised knowledge system. Its local-first philosophy, open plugin architecture, and powerful linking capabilities make it the go-to tool for researchers, writers, and power users building a long-term second brain.
Platform & Compatibility
Architecture
Minimum macOS
macOS Monterey 12Public Opinion
Curated highlights from Reddit and other communities, not user-submitted reviews.
“Users consistently praise Obsidian’s local-first Markdown storage because it keeps notes portable, private, and free from proprietary lock-in.”
Obsidian Forum: My obsidian use experience (I)
“Community discussion highlights backlinks and graph-style linking as the feature that makes Obsidian stand out for connecting ideas and managing long-term knowledge work.”
Reddit: r/ObsidianMD — What's Bad About Obsidian?
“The plugin ecosystem is frequently praised because it lets users tailor Obsidian to specialized workflows instead of forcing a fixed out-of-the-box structure.”
Obsidian Community
“A review based on user feedback describes Obsidian as especially strong for people who want control, offline access, and long-term ownership of their notes.”
Lindy AI: Obsidian Review 2026
“The most common criticism is the steep learning curve, with users saying Obsidian can feel like a system you have to build before it becomes useful.”
“Mobile and cross-device setup are often described as awkward, especially when users want different plugin behavior on mobile versus desktop.”
“Users frequently mention that sync adds friction because reliable multi-device use is not automatic and can require extra setup or paid options.”
“A recurring downside in community discussion is that heavy customization can become distracting, with people spending too much time tweaking plugins and settings.”
Community
