Free Software
-Freeware: Freeware is a type of software who is totally free, without limited use. You can't modify or sell it, but you can redistribute it. An example of Freeware is FrostWire
-Shareware: Shareware is a type of software that you can test it free but with a time limitation or without final accessories. If you want the license, you must pay for that. An example of Shareware is Winrar.
-Careware: It is a type of Freeware or Shareware that you can donate money to charity thanks to it. An example of Careware is Vim
-Open Source: A type of freeware or shareware, that you have free access to its source code. An example of Open Source is Linux.
-Copyleft: It is a practice that consists in make a program free, with or without Copyright.
-Public Domain: In this case, when a program stop having Copyright, for one reason or other.
-Property: In this case, the property means property rights of a program with copyright, that it means that you can't do nothing without the permission of the author of the program.
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