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Obsidian

API—OSS—FREEyesDOCS5/5
OB6.0#2 of 27
—WeboutWindowsoutMacoutLinuxoutAndroidoutiOS

Ranked in Executable Packers ·Free plan· paid from $0.33/mo

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About

Obsidian is a note-taking app for organizing thoughts and connecting notes. It stores notes on the device as plain-text Markdown files, which remain accessible without an internet connection. Internal links between notes appear in Graph view, while Canvas provides an open space for arranging notes alongside attachments and web pages. Customization includes core plugins, community plugins, themes, and an open API. The Web Clipper is available for Chrome, Safari, Firefox, Edge, Brave, Arc, Orion, and Vivaldi. Obsidian has a free plan with no sign-up required. Optional Sync plans add synced vaults: Sync Standard includes 1 GB of storage and a 5 MB maximum file size, while Sync Plus includes 10 GB and a 200 MB maximum file size. Obsidian says Sync uses AES-256 end-to-end encryption, and its security page lists third-party audits of the clients and Sync service. Publish hosts wikis, knowledge bases, documentation, or digital gardens, with hosting for a site up to 4GB. Listed platforms include Android, iOS, Linux, macOS, and Windows.

Who it is for

Obsidian suits people who want locally stored, offline-accessible notes with links and customizable extensions. Sync and Publish are optional additions for users who need synced vaults or hosted sites.

What is good

  • Notes are plain-text Markdown files stored locally.
  • Notes remain accessible offline.
  • Graph view visualizes links between notes.
  • Supports community plugins, themes, and an open API.
  • Free plan requires no sign-up.

What to know first

  • Sync Standard has a 5 MB maximum file size.
  • Sync Plus has a 200 MB maximum file size.
  • Sync and Publish are separately priced plans.

Verdict

Obsidian keeps its core notes local and available offline, while offering linking and customization tools. Check Sync’s storage and file-size limits if you need synced vaults.

Compared on executable packers

Free plan
Yesdocs.obsidian.st
Supported platforms
Windowsdocs.obsidian.st
Binary formats
PE (Portable Executable), EXE, PyInstaller one-file executabledocs.obsidian.st
Protection features
Yesdocs.obsidian.st
Architecture support
multi-architecturedocs.obsidian.st
License model
customdocs.obsidian.st

Facts

Purpose
Obsidian is a note-taking app for organizing thoughts and connecting notes.obsidian.md · 4 Oct 2026
Local files
Obsidian stores notes locally as plain text Markdown files.obsidian.md · 4 Oct 2026
Offline use
Obsidian notes remain accessible on the device without an internet connection.obsidian.md · 4 Oct 2026
Linking and graph
The Graph view visualizes relationships between notes through their internal links.obsidian.md · 4 Oct 2026
Canvas
Canvas provides an infinite space for laying out notes and connecting them to notes, attachments, and web pages.obsidian.md · 4 Oct 2026
Extensions
Obsidian includes team-built core plugins and supports community plugins, themes, and an open API for customization.obsidian.md · 4 Oct 2026
Web clipper
The Web Clipper is available for Chrome, Safari, Firefox, and Edge, as well as Brave, Arc, Orion, and Vivaldi.obsidian.md · 4 Oct 2026
Sync security
Obsidian says Sync uses AES-256 end-to-end encryption, and its security page lists third-party audits of the clients and Sync service.obsidian.md · 4 Oct 2026
Sync limits
Sync Standard includes 1 GB storage and a 5 MB maximum file size; Sync Plus includes 10 GB and a 200 MB maximum file size.obsidian.md · 4 Oct 2026
Publish
Publish hosts a wiki, knowledge base, documentation, or digital garden and includes hosting for a site up to 4GB.obsidian.md · 4 Oct 2026
Support
Obsidian directs users to Discord for help and questions and to its forum for feature requests, bug reports, and discussions.obsidian.md · 4 Oct 2026
Commercial use
Obsidian is free for commercial use, while its pricing page encourages organizations using it for work to purchase an optional Commercial license.obsidian.md · 4 Oct 2026

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Where it ranks on Inferse

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