This is great marketing. Tie in your promo to the highly-popular, highly-dubious event as an advertising tie-in to multiply its effectiveness -- as a fringe story involving the event, you're going to have your message repeated automatically by others interested in the event.

You guys just reminded me that a Visio competitor exists, and you got me to try it. You did this by using a marketing message which entertained me -- don't buy now because "tomorrow's doomsday". You gave me some entertainment value in exchange for taking my valuable time. Thanks.

I know I'm missing something, but looking at the landing page, I can't perceive any way to capitalize on this. Is Draw.io always free, so this is a joke, or am I missing something obvious? All I see is the "Don't Sign Up" button at the bottom.

Granted, it's an early day for me today, so I'm not exactly firing on all cylinders

This way there's no shopping cart to go down. And anyway, it's the end of the world, what we gonna do with the 25%?

Would you be willing to offer a larger discount if I bought multiple seats? I want to roll this out across my company before our fiery doom arrives tomorrow.

I decided not to sign-up since they asked me not to.

Crap I already paid $300 for this yesterday before the sale started - can I get a refund?

How have I never heard of draw.io to begin with? This is glorious.

Great marketing as well :)

Fine, make fools out of those freeloaders (me), making them/us think they will get a product free for the rest of their lives (which is supposed to last to 24 hours, RE: Doomsday).

I get it.

Funny and effective

Little typo in the line: "The full source code to both draw.io and the underlying mxGraph library is available on gituhb"

GraphML export/import would be awesome

I want to give them money just for how good their landing page copy is... hilarious! Great work :D

Tell me, how did you arrive at the 100% off figure without getting a divide-by-zero error?

Interesting, I just had my company pay 200 bucks for omnigraffle because I was using it to make UML. This would had been perfectly fine.

Thanks for posting

This thing gets guitar tablature notation and I am in for 10 licenses. Either way, great publicity stunt.

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Who started this marketing thing? ; )

I have to say this is pure genius: I "fell" for the JetBrains/IntelliJ IDEA IDE at 75% off (once the site shall be back up).

Whoever started it it's amazing to see other companies quickly react: I guess seeing servers melt under the load of people ordering products made some able to react fast.

The only thing that is too bad it's that it seems very hard to reproduce: rarely are there such doomsday scenario that gather that many attention :-/

I don't get it:

http://www.jgraph.com/mxlicense.html is a non-free license, but https://github.com/jgraph/mxgraph/blob/master/license.txt is non-commercial Creative Commons

Can I get a perpetual commercial license for mxGraph today?

https://www.draw.io/about.html says

"As Pro Plus® ++

Unlimited Users Unlimited Drawings Full Source Code

$0 / diagram / cpu / user / hour"

And how did you get permission to display all those customer logos on your page? -- Fortune 500 usually negotiate compensation for using their logos like that, which a vendor of a free product wouldn't have time/incentive to deal with.