According to the terms of the GNU General Public License, pyload's plugins must be treated as an extension of the main program. This means the plugins must be released under the GPL or a GPL-compatible free software license, and that the terms of the GPL must be followed when those plugins are distributed.

• Any plugin published without a license notice is intend published under the GNU GPLv3.
• A different license can be used but it must be GPL-compatible and the license notice must be put in the plugin file.
• Any plugin published with a GPL incompatible license will be rejected. This includes copyright all right reserved.
• Is recommended to put the license notice at the top of the plugin file.
• Is recommended to not put the license notice when plugin is published under the GNU GPLv3.