For Darwinbots2 there's a license in the install directory:
DarwinBots - copyright 2003 Carlo Comis
Modifications by Purple Youko and Numsgil - 2004, 2005
Post V2.42 modifications copyright (c) 2006, 2007 Eric Lockard eric@sulaadventures.com
Post V2.44.01 modifications by members at http://www.darwinbots.com/Forum/
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that:
(1) source code distributions retain the above copyright notice and this paragraph in its entirety,
(2) distributions including binary code include the above copyright notice and this paragraph in its entirety in the documentation or other materials provided with the distribution, and
(3) Without the agreement of the author redistribution of this product is only allowed in non commercial terms and non profit distributions.
THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
I'm not sure what the name of this license is off-hand.
For Darwinbots3 it's just a normal MIT license, so it's more permissive:
Copyright (C) 2009 - 2017
Jay Lemmon Numsgil2002@yahoo.com
(
1. Anything in the 3rd party folder is not covered by this license.
)
"MIT License"
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.