SmartDraw alternatives: 3 open-source picks
These 3 SmartDraw alternatives replace it for $0, led by diagrams.net, 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.
The closest broad replacement: flowcharts, network diagrams, floor plans, org charts, engineering shapes, templates, and local files without a subscription.
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
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 SmartDraw alternative
Easiest to get running
Excalidraw — 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 SmartDraw
- large template libraries
- high-fidelity import and export
- presentation and enterprise controls
- multiplayer cursors and comments
None of the picks above covers all of it. The full verdict says which gaps matter.
SmartDraw alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| diagrams.net | open source | they host it | web, macos, windows, linux, self-hosted | 62,464 | 2026-07 |
| Excalidraw | MIT | one-click install | self-hosted, web | 129,000 | 2026-08 |
| draw.io | Apache-2.0 | one-click install | self-hosted, web | 43,000 | 2026-08 |
why people still pay for SmartDraw
SmartDraw: The shapes are easy; customers pay for low-friction editing, reliable exports, collaboration, and a canvas that never fights them.
questions about switching from SmartDraw
Is there an open-source alternative to SmartDraw?
Yes: diagrams.net, Excalidraw, draw.io. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace SmartDraw?
Our verdict is YES. Excalidraw (129k stars), diagrams.net (62k stars), draw.io (43k stars) are mature open-source replacements for SmartDraw — self-host in one command and stop paying. The full verdict, and what you give up by switching, is at caniopensourceit.online/smartdraw.
What is the easiest open-source SmartDraw alternative to set up?
Excalidraw — a one-click install, no server to maintain.
What is the most popular open-source SmartDraw alternative?
By GitHub stars, Excalidraw (129,000). diagrams.net is next with 62,464.
