Knowdex 2.0 — Now in Beta

Your knowledge,
finally connected.

Not a note-taking app. A thinking environment built for researchers, engineers, and anyone who builds with ideas.

Start for free
4.9 / 5
12,000+ researchers50M+ notes synced
Features

Everything connects.

Links are first-class citizens. Your knowledge builds a web, not a hierarchy — and it answers back.

Bi-directional Links

Every time you link an idea, we automatically create a backlink. Your knowledge forms a living web — not a dead hierarchy.

AutomaticGraph-powered
Learn more
product-spec-v2.md
The graph engine will power the [[Graph Engine]] module.
1 outgoing link
SYNC
graph-engine.md
Force-directed layout using WebGL canvas. Handles 10k+ nodes with smooth 60fps…
Backlinks
↩product-spec-v2

Graph View

Visualize your entire knowdex in one canvas. Clusters get their own colour, and ghost links surface notes that are about the same thing but not yet connected.

Ghost linksInteractive
Learn more
Machine LearningNeural NetsResearchKnowledgeDeep Learning

Command Palette

Never take your hands off the keyboard. Navigate, create, link, and organize through fuzzy-matched keystrokes in under 100ms.

Fuzzy MatchExtensible
Learn more
graph
ESC
Open Graph View⌘G
Graph Engine Design
Force-directed Graph
↑↓ navigate↵ open

Ask Your Notes

Ask a question in plain language and get an answer written from your own notes and PDFs, with numbered citations you can click to open the source.

Cited answersPDF search
Learn more
How do we keep edits from conflicting?

CRDTs merge concurrent edits without conflicts, even offline1and WebSockets carry the updates2.

1 CRDTs2 WebSockets

Databases & Boards

Turn any set of notes into a database with typed properties, then switch between table and kanban views. Every row is still a full note.

TableKanban
Learn more
To do1
Write docs
📅 Oct 9
In progress2
Ship graph
📅 Oct 9
Kanban view
📅 Oct 9
Done1
Schema
📅 Oct 9

Offline-first & Publish

Keep writing on a plane: edits are stored on your device and merged when you reconnect. Flip a switch to publish any note as a clean public page.

Works offlinePublic pages
Learn more
You’re offline. Edits are saved on this device.
3 changes waiting to sync
✓ Back online — all changes synced.
Graph View

See the shape of
your knowledge.

The human brain works by association. Knowdex's interactive graph maps your thoughts visually — drag nodes, explore clusters, watch physics do the rest.

  • Color-coded node clusters
  • Force-directed physics engine
  • Real-time filtering and querying
Machine LearningNeural NetsResearchKnowledge GraphDeep LearningTransformersEmbeddingsRAG
Drag any node — physics push others away
Cluster: Machine Learning
342 Nodes · 1,204 Links
Drag any node to explore
12,000+ people building their knowdex right now

Your knowdex
starts here.

Join the researchers, engineers, and writers who turned scattered notes into a connected knowledge system.

50M+notes synced
4.9★avg rating
Freeno card needed