Open source

Excalidraw

A hand-drawn-style whiteboard that runs as one static container and keeps every drawing in the browser that drew it.

excalidraw/excalidraw · ★ 129,294 · last commit 0d ago · MIT · needs 256 MB RAM · runs on ARM (Pi-friendly)
Excalidraw running from the boot-verified compose file
Excalidraw, running from the compose file on this page — screenshot from our verified instance, not marketing material.

One tool, 3 subscriptions

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

FigmaKINDA
$20/mo · breaks even in 1.1 mo
MiroKINDA
$8/mo · breaks even in 1.1 mo
WhimsicalYES
$10/mo · breaks even in 0.6 mo