obsidian.md
Private, local-first notes connected into a knowledge graph
Alternative to HackMD
Inkdrop
Simplenote +9 more
Install: iOS · Android · macOS · Windows · Linux · Chrome extension · Firefox add-onPricing page →Docs →Facts checked
On this page: About · In their words · Where it fits · Compare · Information · Facts · Alternatives (12) · Related tools (1) · FAQ
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 free and flexible app for your private thoughts.”
Obsidian is tagged #notes, #markdown, #knowledge-graph. Each tag links to every listed tool that shares it.
Obsidian is one of 77 Productivity tools listed on ToolDock. Also in Productivity: Whereby, Tana, ChatPDF — see the Productivity ranking (neutral, stable positions; no paid placement).
Side-by-side pages use listing facts only: pricing, shared and unique tags, official-site facts where available, and verification dates.
| Tool | Pricing | Shared tags | Compare |
|---|---|---|---|
| Freemium | #markdown | Obsidian vs HackMD → | |
| Freemium | #markdown | Obsidian vs Inkdrop → | |
| Free | #markdown | Obsidian vs Simplenote → | |
| Freemium | #notes | Obsidian vs Notion → | |
| Freemium | #notes | Obsidian vs Granola → | |
| Freemium | #notes | Obsidian vs Capacities → | |
| Free | #notes | Obsidian vs Logseq → | |
| Paid | #notes | Obsidian vs Roam Research → | |
| Freemium | #knowledge-graph | Obsidian vs Tana → |
Tools sharing tags with Obsidian — each match reason is computed from real listing data.
Collaborative Markdown workspace for teams and agents
shares #markdown · #knowledge-sharing ≈ #knowledge-graph · also Productivity · both Freemium · HackMD alternatives →
Cleaner space for your tech journey
shares #markdown · #note-taking ≈ #notes · also Productivity · both Freemium · Inkdrop alternatives →
simplenote.com
The simplest way to keep notes
Platforms: iOS · Android
shares #markdown · #note-taking ≈ #notes · also Productivity · Simplenote alternatives →
All-in-one workspace for notes, docs, wikis and projects
Platforms: iOS · Android · macOS
shares #notes · also Productivity · both Freemium · Notion alternatives →
AI notepad that enhances your meeting notes — no bot required
shares #notes · also Productivity · both Freemium · Granola alternatives →
capacities.io
Object-based note-taking that organizes itself
shares #notes · also Productivity · both Freemium · Capacities alternatives →
See all 12 Obsidian alternatives →
Other tools listed in the same category.
The highest-ranked tools in this category — see the full Productivity ranking.
Obsidian is a Productivity tool: Private, local-first notes connected into a knowledge graph. It is listed on ToolDock with a direct link to its official site.
Obsidian is listed as freemium on ToolDock: it offers a free tier alongside paid plans. Pricing label set at listing time; official pricing page linked where verified — see the official website for current details.
Alternatives to Obsidian listed on ToolDock (matched by shared tags and category) include HackMD, Inkdrop, Simplenote, Notion, Granola. See the full list of Obsidian alternatives.