Subject: Re: Groklaw's OSI item
From: Rick Moen <>
Date: Wed, 22 Aug 2007 13:17:06 -0700

Quoting Matthew Flaschen (

> Actually, CPAL does have a network clause (unrelated to the advertising
> clause, which does nothing for the SaaS problem):
> "The term ???External Deployment??? means the use, distribution, or
> communication of the Original Code or Modifications in any way such that
> the Original Code or Modifications may be used by anyone other than You,
> whether those works are distributed or communicated to those persons or
> made available as an application intended for use over a network. As an
> express condition for the grants of license hereunder, You must treat
> any External Deployment by You of the Original Code or Modifications as
> a distribution under section 3.1 and make Source Code available under
> Section 3.2."
> This is taken from the Open Software License.
> This would seem to require SaaS deployments provide source code to end
> users.

I stand corrected!  Thank you.  That's the problem with writing from
unaided memory, before getting around to checking of original documents.

CPAL thus does indeed join GPL w/Affero, OSL 3.0, ASPL 2.0, and Honest
Public License as licences with SaaS-oriented copyleft clauses.