Side-by-side comparison of two listed Productivity tools — real listing data only, no paid placement.
On record, they differ in: pricing (Obsidian Freemium vs Microsoft OneNote for the Web Free); unique tags (Obsidian 3: #notes #markdown #knowledge-graph vs Microsoft OneNote for the Web 4: #note-taking #collaboration #web-clipping +1 more); category rank (Obsidian #19 vs Microsoft OneNote for the Web #43). Same category (Productivity). Listing facts only — not a recommendation.
Private, local-first notes connected into a knowledge graph
Obsidian stores notes as plain Markdown files on your device and links them into a personal knowledge graph, visualized and extensible with thousands of community plugins. Free for personal use, with optional paid sync.
Published 2026-08-06 · Links checked 2026-09-14
Free online note-taking and collaboration
Microsoft OneNote for the Web is a free online note-taking tool that lets users capture ideas and organize notes from any device. It includes features for clipping web content and collaborating with others in real time. The service is accessible through a web browser, making it convenient for use across different platforms.
Published 2026-08-08 · Links checked 2026-09-06
| Obsidian | Microsoft OneNote for the Web | |
|---|---|---|
| Pricing | Freemium | Free |
| Category | Productivity | Productivity |
| Rank in Productivity | Position #19 of 77 | Position #43 of 77 |
| Alternatives listed | 12 → | 11 → |
| Shared tags | none | |
| Unique tags | #notes #markdown #knowledge-graph | #note-taking #collaboration #web-clipping #organization |
| Platforms | iOS · Android · macOS · Windows · Linux · Chrome extension · Firefox add-on | Not detected on official site (checked 2026-09-20) |
| Pricing page | Official pricing page | Not detected on official site (checked 2026-09-20) |
| Documentation | docs.obsidian.md/ | Not detected on official site (checked 2026-09-20) |
| Company | Not detected on official site (checked 2026-09-16) | Microsoft OneNote |
| In their own words | The free and flexible app for your private thoughts.— official site (homepage description), checked | — |
| Official channels | GitHubThreadsBlueskyMastodondeclared on obsidian.md via homepage link with a matching handle / rel=me | X (Twitter)LinkedIndeclared on onenote.cloud.microsoft via schema.org sameAs |
| Official website | obsidian.md | onenote.cloud.microsoft |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Obsidian is Freemium; Microsoft OneNote for the Web is Free. Both are listed in Productivity on ToolDock.
Obsidian is listed as freemium (free tier alongside paid plans); Microsoft OneNote for the Web is listed as free. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Productivity tools listed on ToolDock.
ToolDock keeps a tag-matched alternatives list for each: see Obsidian alternatives and Microsoft OneNote for the Web alternatives.