SimpleMind alternatives: 3 open-source picks

These 3 SimpleMind alternatives replace it for $0, led by Freeplane, Excalidraw and draw.io. All 3 are open source. License, stars and last commit checked by hand on 2026-08-29. No trials, no crippled tiers.

simplemind $?/mo→these $0YEScan I open-source it? the honest breakdown →📐 diagrams
F

Freeplane

open sourcedesktopone-click install

Flexible local mind maps with links, notes, attributes, filters, and exports; no mobile app and considerably less visual restraint.

E

Excalidraw

open sourcewebself-hostedone-click install

Virtual hand-drawn style whiteboard for sketching diagrams collaboratively

licenseMIT

runsyour server

setupnot verified by us yet — check the repo README

facts verified 2026-08-29

D

draw.io

open sourcewebself-hostedone-click install

The diagramming workhorse — flowcharts, architecture diagrams, UML — runs fully client-side or as your own container.

licenseApache-2.0

runsyour server

setupnot verified by us yet — check the repo README

facts verified 2026-08-29

What each one is, in full: Excalidraw · draw.io

last updated 2026-08-29 · no votes, no pay-to-list · just what's real

how to choose a SimpleMind alternative

Easiest to get running

Freeplane — a one-click install, no server to maintain.

Most proven

Excalidraw, with 129,000 GitHub stars — the largest community of the 3, which usually means more answers when something breaks.

what you give up by leaving SimpleMind

None of the picks above covers all of it. The full verdict says which gaps matter.

SimpleMind alternatives at a glance

toollicenserunning itplatformsstarsactive
Freeplaneopen sourceone-click installmacos, windows, linux4,2752026-08
ExcalidrawMITone-click installself-hosted, web129,0002026-08
draw.ioApache-2.0one-click installself-hosted, web43,0002026-08
Want the honest verdict and what you give up by switching?read the verdict →

why people still pay for SimpleMind

SimpleMind: The shapes are easy; customers pay for low-friction editing, reliable exports, collaboration, and a canvas that never fights them.

questions about switching from SimpleMind

Is there an open-source alternative to SimpleMind?

Yes: Freeplane, Excalidraw, draw.io. Every tool on this page is open source: no trials, no crippled tiers.

Can open source really replace SimpleMind?

Our verdict is YES. Excalidraw (129k stars), draw.io (43k stars), Freeplane (4k stars) are mature open-source replacements for SimpleMind — self-host in one command and stop paying. The full verdict, and what you give up by switching, is at caniopensourceit.online/simplemind.

What is the easiest open-source SimpleMind alternative to set up?

Freeplane — a one-click install, no server to maintain.

What is the most popular open-source SimpleMind alternative?

By GitHub stars, Excalidraw (129,000). draw.io is next with 43,000.