In message <199907301332.XAA26403@balrog.supp.cpr.itg.telecom.com.au>, Simon Bu
   rge writes:
   >        If you redistribute your application outside of your site and
   >        your source code is not freely available and redistributable by
   >        others, then you require a commercial license from Sleepycat
   >        Software. Contact us for commercial licensing terms and pricing.
   
   This shouldn't be a problem for NetBSD per se, but I would think it could
   be a barrier to commercial systems based on it.

... which, by the definition NetBSD (see the projects goals), makes
it a barrier for NetBSD...