Comparison

Lucid Train compared with Excalidraw.

This is the least adversarial comparison on the site, because Lucid Train's diagrams are Excalidraw scenes.

Download for macOS

v0.1.33 · .dmg · Apple Silicon & Intel

Signed & notarized by Apple · opens without a Gatekeeper warning

sha256 698955a0187bc039f4c74f5d05a9f10fbb27376a45788a0a241d1326b73873c7

Download for Windows instead

$curl -fsSL https://lucidtrain.com/install.sh | sh

What Excalidraw is better at

Thinking. It is the best tool there is for sketching an idea quickly, and the hand-drawn aesthetic does real work: a rough diagram signals that it is provisional, which keeps a discussion open in a way a polished one does not. It is free, open source, works offline, and the collaborative mode is excellent. For the first fifteen minutes of a design conversation it is close to ideal.

Where Lucid Train is different

Excalidraw is a drawing tool: you place every element. Lucid Train produces the scene from your repository or your description, with ELK computing positions and orthogonal routing, and real service icons on the cards. It is the difference between a canvas and a generator that happens to output to that canvas.

The formats are the same

Diagrams are Excalidraw scenes, so they open in Excalidraw and in any Excalidraw client. Nothing is locked in: generate here, edit there, or the reverse. That was a deliberate choice, and it is the reason this comparison ends in a workflow rather than a verdict.

The natural workflow

Sketch in Excalidraw while the idea is forming. Once the system is real, generate the diagram from the code so it reflects what was actually built, and regenerate when it changes. The sketch and the record are different artifacts with different lifetimes, and trying to make one serve both is why so many architecture diagrams are stale.

Side by side

	Lucid Train	Excalidraw
Price	CLI free; desktop $3/month	Free, open source
Generates from code	Yes	No
Layout	Computed by ELK	Manual
Real service icons	Yes, bundled	Libraries available
Style	Clean, deterministic	Hand-drawn
Collaboration	No	Yes
File format	Excalidraw scene	Excalidraw scene
Offline	Yes	Yes
Diagram to code	Yes	No

FAQ

Questions

Can I open Lucid Train diagrams in Excalidraw?

Yes, they are Excalidraw scenes. That is deliberate: the diagrams should outlive any decision about which tool to use.

Why use Excalidraw's format rather than a proprietary one?

Because a diagram locked in a format only one application reads is a diagram you will eventually lose. Excalidraw's format is open, widely supported and simple enough to convert, which is how the marketing site's own SVGs are produced.

Does Lucid Train use the hand-drawn style?

It can, though the default is clean, because a diagram generated from real code is a record rather than a sketch and the roughened style reads as more provisional than it is.

Affiliation

Lucid Train is an independent product and is not affiliated with, endorsed by, or connected to the product described on this page. All names and trademarks belong to their respective owners. Pricing and features were checked on 19 August 2026 and change without notice; check the vendor's own site before deciding.

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