Alternatives

Best Mermaid alternatives in 2026

Data compiled by Toolradar Updated October 31, 2026 How we rate

Cite this list: Toolradar, best Mermaid alternatives 2026, toolradar.com/alternatives/mermaid

4 direct alternatives to Mermaid and 4 more tools in the same category, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.

Quick answer

Lucidchart is the top alternative to Mermaid on our list, followed by draw.io and Excalidraw.
6 of the 8 alternatives have a free plan, starting with Lucidchart.
Highest rated: Miro, 4.6 out of 5 from 13,566 ratings, Sep 2026.

Publications that cover the tools tracked here

8 alternatives
4 direct
6 with a free plan

Lucidchart
#1 Top pick
Create and collaborate on any diagram, from flowcharts to technical designs
Starting price
From $9 /mo
Cheapest paid plan, monthly, as of October 2026
4.1 /5 across G2, Capterra and SourceForge · 9,651 ratings, Sep 2026
Our take
Best overall
Read the review
draw.io
#2
Free, open-source diagramming for any use case
Starting price
From $1.7 /mo
Cheapest paid plan, monthly, as of October 2026
4.4 /5 on G2 · 452 ratings, Aug 2026
Our take
Most affordable
Read the review
Excalidraw
#3
Virtual whiteboard for sketching
Starting price
From $6 /mo
Cheapest paid plan, monthly, as of October 2026
4.5 /5 on G2 · 31 ratings, Sep 2026
Read the review

Mermaid vs 8 alternatives

Mermaid and its alternatives compared on starting price (cheapest paid plan, monthly, as of October 2026), free plan and average user rating, and how directly each replaces it.
Tool	Starting price (Oct 2026)	Free plan	Rating	Fit
Mermaid Compared tool	Price: $8/mo	Free plan: Yes	4.7 out of 5, from 11 ratings on G2 (11)
Lucidchart	Price: $9/mo	Free plan: Yes	4.1 out of 5, from 9,651 ratings across G2, Capterra and SourceForge (9,651)	Direct alternative
draw.io	Price: $1.7/mo	Free plan: Yes	4.4 out of 5, from 452 ratings on G2 (452)	Direct alternative
Excalidraw	Price: $6/mo	Free plan: Yes	4.5 out of 5, from 31 ratings on G2 (31)	Direct alternative
Lucid Train	Price: $2.5/mo	Free plan: Yes	n/a	Direct alternative
Miro	Price: $8/mo	Free plan: Yes	4.6 out of 5, from 13,566 ratings on G2 (13,566)	Same category as Mermaid
Visio	Price: $5/mo	Free plan: No	4.4 out of 5, from 4,044 ratings across SourceForge, G2 and Capterra (4,044)	Same category as Mermaid
Creately	Price: Free + paid	Free plan: Yes	4.4 out of 5, from 1,610 ratings across G2 and Capterra (1,610)	Same category as Mermaid
IT Glue	Price: $29/mo	Free plan: No	4.6 out of 5, from 1,059 ratings across G2 and Capterra (1,059)	Same category as Mermaid

Why people consider alternatives to Mermaid

Mermaid is a JavaScript-based diagramming and charting tool that renders Markdown-inspired text definitions into dynamic diagrams in the browser.

Teams most often switch away when one of these starts to bite:

A feature or quota ceiling that a paid specialist covers and this free tool does not.
Missing integrations with the rest of your stack.
Performance or scale limits as your needs grow.
A specific feature gap you have hit in diagramming.

The 4 direct alternatives below cover the same core job (diagramming) with different trade-offs. The 4 tools marked "Same category as Mermaid" fit the category but replace Mermaid less directly.

See full Mermaid review Best diagramming tools How we rank

Mermaid by the numbers

Toolradar data: Mermaid's entry paid plan ($8/mo, billed monthly) ranks #8 of 16 (joint) for price among the Diagramming tools with a verified entry price and no stated unit, where the median is $8/mo. As of Nov 2026.

Mermaid compared with 56 Diagramming tools on Toolradar, as of Nov 2026
Metric	Mermaid	Peer median	Position (1 is best)
Entry paid plan	$8/mo, billed monthly	$8/mo	#8 of 16 (joint) tools with no stated price unit, verified price
Free plan	Yes	75% have one	n/a
Listed as an alternative to	4 tools	1	#16 of 56
Compare-page visits, last 30 days	52 visits	48	#9 of 25 tools with 20+ compare-page visits

Visitors most often compare Mermaid with Excalidraw and draw.io (last 30 days, Nov 2026).

Listed as an alternative to: #16 on 2026-10-16 to #16 on 2026-11-02 (rank among 56 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Diagramming data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “Mermaid by the numbers”, Nov 2026.

Diagramming leaderboards from Toolradar data

Toolradar ranks Diagramming tools on one measure at a time, only where at least 8 tools have data. As of Nov 2026.

CSV

Lowest entry price, plans with no stated unit

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 16 tools with no stated price unit, verified price.

Lowest entry price, plans with no stated unit, Diagramming tools on Toolradar, as of Nov 2026
#	Tool	Entry plan
1	Lucid Train	$2.50/mo, billed monthly or yearly
2	Gliffy	$2.80/mo, billed monthly
3	MindNode	$2.99/mo, billed monthly
4	Coggle	$5/mo, billed monthly
5	Excalidraw	$6/mo, billed monthly

Lowest entry price, per-user plans

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 8 tools priced per user, verified price.

Lowest entry price, per-user plans, Diagramming tools on Toolradar, as of Nov 2026
#	Tool	Entry plan
1	draw.io	$1.70/user/mo, billed monthly
2	XMind	$4.92/user/mo, billed yearly
3	Visio	$5/user/mo, billed monthly
4	Cacoo	$6/user/mo, billed monthly
5	Sketchboard	$8/user/mo, billed monthly

A position exists only when at least 8 tools have data for that metric. 24 of 56 Diagramming tools have a verified price; the others publish none we could read (often "contact sales"). Advertising and placement fees are not inputs to any position. Visit counts include visits from every source. How we compute this. Cite this: Toolradar, “Diagramming leaderboards”, Nov 2026. Data licensed CC BY 4.0. All Diagramming statistics.

8 alternatives to Mermaid

Direct alternatives come first, ranked by G2 and Capterra ratings, media mentions, and editor review. Tools marked "Same category as Mermaid" follow, ranked the same way.

Frequently asked questions

What is the best alternative to Mermaid?

Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Mermaid are Lucidchart, draw.io, Excalidraw. Each solves the same core job with different trade-offs on pricing, features, and integrations.

Is there a free alternative to Mermaid?

Mermaid is already 100% free (no paid upgrade path). draw.io is another fully free option listed here (Free, open-source diagramming for any use case). Freemium tools on this list have a free tier plus paid plans; they are not the same as 100% free.

Why do people look for Mermaid alternatives?

Common reasons teams switch away from Mermaid even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in diagramming. The alternatives on this page solve the same core problem with a different feature set.

Side-by-side comparisons

In-depth comparison pages for Mermaid versus each alternative.

Mermaid vs Lucidchart Mermaid vs draw.io Mermaid vs Excalidraw Mermaid vs Lucid Train

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Full Mermaid review Visit Mermaid

Top 3 alternatives to Mermaid

Lucidchart

draw.io

Excalidraw