Open source

draw.io

The structured-diagram editor as one container on a hostname you own, with every cloud storage backend switched off.

jgraph/drawio · ★ 7,435 · last commit 2d ago · Apache-2.0 · needs 1024 MB RAM · runs on ARM (Pi-friendly)
draw.io running from the boot-verified compose file
draw.io, running from the compose file on this page — screenshot from our verified instance, not marketing material.

One tool, 1 subscription

The same server can serve several escape hatches — that's how a $5 VPS beats a $50 SaaS bill.

WhimsicalYES
$10/mo · breaks even in 0.6 mo