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 Roam Research Paid); platforms (Obsidian 7 official install links found vs Roam Research 1 — store/installer links only); unique tags (Obsidian 2: #markdown #knowledge-graph vs Roam Research 2: #networked-thought #pkm); category rank (Obsidian #19 vs Roam Research not in top 50). 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
The note-taking tool that popularized bidirectional linking
Roam is a networked thought tool: every note is an outline whose blocks link and embed anywhere else, building a graph of your thinking. It sparked the modern wave of connected note-taking apps.
Published 2026-08-06 · Links checked 2026-09-16
| Obsidian | Roam Research | |
|---|---|---|
| Pricing | Freemium | Paid |
| Category | Productivity | Productivity |
| Rank in Productivity | Position #19 of 77 | not in top 50 of 77 |
| Alternatives listed | 12 → | 11 → |
| Shared tags | #notes | |
| Unique tags | #markdown #knowledge-graph | #networked-thought #pkm |
| Platforms | iOS · Android · macOS · Windows · Linux · Chrome extension · Firefox add-on | Web app (installable) |
| Pricing page | Official pricing page | Not detected on official site (checked 2026-09-17) |
| Documentation | docs.obsidian.md/ | Not detected on official site (checked 2026-09-17) |
| In their own words | The free and flexible app for your private thoughts.— official site (homepage description), checked | As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with…— official site (homepage description), checked |
| Official channels | GitHubThreadsBlueskyMastodondeclared on obsidian.md via homepage link with a matching handle / rel=me | — |
| Official website | obsidian.md | roamresearch.com |
| 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; Roam Research is Paid. Both are listed in Productivity on ToolDock.
What they have in common: #notes
Obsidian is listed as freemium (free tier alongside paid plans); Roam Research is listed as paid — no free tier on record. 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, and they share the tag notes.
ToolDock keeps a tag-matched alternatives list for each: see Obsidian alternatives and Roam Research alternatives.