An anonymous reader writes "According to Dish Network they are accommodating 'requests for the portions of the DISH 921 DVR source code that are subject to the GNU Public License, or GPL. In compliance with the terms of the GPL, we are making this source code available to the public to download. Please note that the DISH 921 DVR software also includes some proprietary elements that are not subject to the GPL. You cannot create a working DISH 921 DVR software build without the additional proprietary code. Do not replace or add any software to the DISH 921 DVR with items compiled from these source trees. Doing so will void all warranties and cause the unit to fail.'"