One of the license system which is used with the open source software. It declares non guarantee escape,it designatesonly that copyright notice is done the occasion where it re-distributes as a condition, it is the license whose quiterestrictionis loose.

If only copyright notice it does, because installs the cord/code of the BSD license in the other program, furthermore it installs can make the cord/code after secret, it is the commercial business conversion presenteasy license. In addition,like GPL there are no either times whenlicensecondition at the time of redistribution is restricted.

As for the BSD licensebesides the fact thatit is adoptedat BSD UNIX, Apache has adoptedthe licensesystem which is closetothe BSD license. ... The continuation is read

Restriction is assigned inthe license of derivative creative ones and the developers who repel to the idea of GPL are not few, as for this kind of developer is many a thing which applies the BSD license to the original program.

By the way, indicating the early developer in announcement of the derivative it was included in the early BSD license as a condition, but presently as for this provision it is deleted.

After there not to be this early developer indicatory provision, the BSD license especially is called the "correction BSD license".