Obsidian is a flexible knowledge management platform built around local Markdown files, connected thinking, and long-term personal organization. The obsidian app is used by writers, students, developers, researchers, and teams that want a private space for ideas, references, plans, and documentation. Instead of locking information into a closed database, Obsidian stores content in an obsidian vault that can be browsed, backed up, edited, and moved with standard tools.

Download Obsidian app to build a private, flexible workspace for ideas, research, and projects. Link thoughts with Markdown, browse connections visually, and use obsidian sync to keep your knowledge base updated across devices while staying in control of your data.

Obsidian helps you write, organize, and connect Markdown notes in a private workspace for research, planning, and personal knowledge management.

The core experience centers on obsidian notes that can link to one another, form topic maps, and grow into a personal knowledge base over time. Users can create an obsidian note for a meeting, project, book, task list, research source, or daily journal, then connect it to related material with backlinks. The obsidian graph provides a visual way to understand how ideas relate, making Obsidian useful for both simple writing and advanced knowledge workflows.

Modern Obsidian use often expands through obsidian plugins, obsidian tasks, obsidian web clipper workflows, and integrations hosted or discussed through obsidian github projects. Some users explore obsidian ai, obsidian claude, claude code obsidian, and obsidian mcp setups to connect note-taking with automation, coding assistants, and research tools. Others focus on obsidian markdown, obsidian sync, and download obsidian options for a reliable writing system across desktop and mobile.

1. Click the blue button above to open the official Obsidian page and download obsidian for your device.
2. Install the obsidian app, then create a new obsidian vault or open an existing folder of Markdown files.
3. Begin with a few obsidian notes for projects, daily thoughts, research sources, or planning documents.
4. Link related ideas with internal links, review connections in the obsidian graph, and organize material with folders, tags, or maps of content.
5. Add obsidian plugins, enable obsidian sync if needed, and refine your setup with obsidian tasks, obsidian web clipper tools, or obsidian markdown templates.

• Local-first Markdown writing through the obsidian app, giving users direct control over files, folders, and backups
• Connected obsidian notes with backlinks, aliases, embeds, and references that support long-term knowledge building
• Obsidian vault organization for personal research, project planning, study systems, technical documentation, and creative writing
• Obsidian graph views that reveal relationships between ideas, people, topics, documents, and ongoing work
• Obsidian sync support for keeping a vault available across desktop and mobile devices without rebuilding a workspace
• Large obsidian plugins ecosystem for calendars, databases, kanban boards, citations, diagrams, publishing, and workflow automation
• Obsidian tasks management for reminders, recurring actions, project checklists, and personal productivity inside Markdown notes
• Obsidian web clipper options for saving online research, articles, references, and excerpts directly into a knowledge base
• Developer-friendly obsidian github community resources, plugin repositories, themes, scripts, and examples for advanced customization
• Emerging obsidian ai, obsidian claude, claude code obsidian, and obsidian mcp workflows for users who combine notes with intelligent assistants

• Writers who want obsidian markdown files, linked drafts, research notes, and reusable idea archives in one private workspace
• Students and academics building obsidian notes for lectures, citations, reading logs, study plans, and long-term subject maps
• Developers who rely on obsidian github resources, technical references, code snippets, project documentation, and claude code obsidian workflows
• Researchers and knowledge workers who use an obsidian vault to connect sources, observations, outlines, and decisions across many projects
• Productivity-focused users who combine obsidian tasks, daily notes, templates, and the obsidian graph to manage work without a rigid database
• Advanced users experimenting with obsidian ai, obsidian claude, obsidian mcp, and obsidian plugins for automation, search, summarization, and custom tools

• Notes missing after setup? Confirm that the correct obsidian vault folder is open and that the Markdown files are stored in the selected location.
• Sync not updating? Check obsidian sync status, network access, account settings, and whether the same vault is open on every device.
• Plugins not working? Disable recently installed obsidian plugins, restart the obsidian app, and review plugin documentation or obsidian github issues.
• Graph looks empty? Add links between obsidian notes, use consistent naming, and open the obsidian graph after several connected notes exist.
• Web clipping is inconsistent? Review obsidian web clipper settings, browser permissions, and the template used to save pages into obsidian markdown.
• AI or assistant workflows fail? Recheck obsidian ai, obsidian claude, claude code obsidian, or obsidian mcp configuration, including API access and plugin settings.

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