I'm getting ready to design/develop the back-end of my gpt system and I'm looking for UI kits. I came across one called Metro UI. The license says this: 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 as back link to site of Metro UI CSS. Example: <a href="URL">(c) 2012-2013 Metro UI CSS</a> I'm no expert, but I believe the license says I have the right to do whatever I want with the code, but I have to link back to their site. Am I right? EDIT: I believe it's some sort of modified version of the MIT License.