Free open-source outliner for journals, notes and knowledge graphs
Knogra
AI-assisted knowledge graph and nested mind map explorer
About Knogra
Knogra is a browser-based knowledge graph explorer for visual learners that combines free-form mind maps, concept maps, semantic networks and spatial 'memory palace' scenes in one connected graph. Everything runs locally in the browser with IndexedDB storage and no account, and AI assistance works through your own API key.
Knogra website preview
Live preview of knogra.io via the WordPress mShots service — it can take a few seconds to generate on a first visit.
Knogra: strengths & things to check
Strengths
- Completely free to use — this directory lists no paid plan for it.
- Covers mind mapping, knowledge graph, concept maps, local first — see the focus areas listed in its key facts.
- Has 6 close alternatives in the same category on this page, so switching or comparing is easy.
Things to check
- Free tools can change their model or shut down — avoid locking critical work into it without an export path.
- Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
- It is one of 2328 tools in the Productivity & Notes category here — compare it against the alternatives below before you commit.
Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.
Knogra pricing
| Pricing model | Free — listed in this directory as a free tool, with no paid plan required to use it. |
|---|---|
| Free access | Yes — fully free |
| Current plan prices | Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale. |
| Official site | knogra.io |
Knogra key facts
- Category: Productivity & Notes
- Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
- Focus areas: mind mapping, knowledge graph, concept maps, local first
- Official site: knogra.io
Knogra FAQ
How much does Knogra cost?
Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (knogra.io).
What is Knogra used for?
AI-assisted knowledge graph and nested mind map explorer Its focus areas in the Productivity & Notes category: mind mapping, knowledge graph, concept maps, local first.
Where can I try Knogra?
On its official site, knogra.io — the Visit Official Site button above goes straight there.
Knogra vs alternatives
| Knogra | Logseq | Anytype | Astryk | |
|---|---|---|---|---|
| Pricing | Free — listed in this directory as a free tool, with no paid plan required to use it. | Free — listed in this directory as a free tool, with no paid plan required to use it. | Freemium — a free tier lets you start, and paid plans are available if you need more. | Freemium — a free tier lets you start, and paid plans are available if you need more. |
| Focus areas | mind mapping, knowledge graph, concept maps, local first | note taking, open source, knowledge graph, local first | notes, local first, privacy | notes, tasks, boards, local first |
| Official site | knogra.io | logseq.com | anytype.io | astryk.com |
| Directory status | Listed | Listed | Listed | Listed |
Side-by-side from each listing's own directory data. Full alternative cards are below.
About the Productivity & Notes category
Notes, tasks, and project tools that keep you organized and focused. The Productivity & Notes category on Tools Hub currently lists 2328 tools. Alongside Knogra, it includes Bibit, Vight, Pixno, echo.
Alternatives to Knogra
Tools in the same Productivity & Notes category that share focus areas with Knogra — worth comparing before you commit:
Local-first, encrypted workspace pitched as a private Notion alternative.
Local-first notes, tasks and boards that grow into team workspaces
Local-first workspace for documents, tables and files, now atomic.place
AI-powered online whiteboard for team collaboration, mind maps and flowcharts
Local-first time tracking and invoicing console for freelancers who bill by the hour
More in Productivity & Notes
Comparing tools in the Productivity & Notes category? These related listings are worth a look: Bibit — The follow-up assistant for agents who hate CRMs; Vight — AI that documents every call and ticket in your PSA; Pixno — Turn your photos into notes with AI.
The follow-up assistant for agents who hate CRMs
AI that documents every call and ticket in your PSA
Turn your photos into notes with AI
Mac dictation that writes clean, polished text
A personal coach who actually gets to know you
The AI coach that actually follows up