Obsidian is a powerful, local-first knowledge base that uses Markdown files and interconnected links to help users build a private, non-linear digital brain for personal knowledge management.
Obsidian operates as a "second brain" by utilizing a local folder of plain-text Markdown files, ensuring total data ownership and offline accessibility. It utilizes a graph view to visualize relationships between notes, fostering non-linear thinking through bidirectional linking and block-level references. The platform is highly extensible, offering over 1,000 community plugins that add functionality like Kanban boards, calendar integration, and advanced Zettelkasten workflows. It supports several core features including Canvas for infinite spatial whiteboarding and a Command Palette for rapid keyboard-driven navigation.
Knowledge workers, Researchers, Writers, Students
Based on 0 reviews
500K+
2020
Remote
Free
Core app features for personal use, local storage, community plugins.
Free
Catalyst
Supports development with insider builds, Discord access, and special badge.
$25 (one-time)
Commercial
For professionals and companies, includes commercial license and priority support.
$50/year
Popular alternative with overlapping features and a strong user base.
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