navsection: userguide
title: "Arvados Free Software Licenses"
...
+{% comment %}
+Copyright (C) The Arvados Authors. All rights reserved.
-Server-side components of Arvados contained in the apps/ and services/ directories, including the API Server, Workbench, and Crunch, are licenced under the "GNU Affero General Public License version 3":agpl-3.0.html.
+SPDX-License-Identifier: CC-BY-SA-3.0
+{% endcomment %}
-The Arvados client Software Development Kits contained in the sdk/ directory, example scripts in the crunch_scripts/ directory, and code samples in the Aravados documentation are licensed under the "Apache License, Version 2.0":LICENSE-2.0.html
+Every source file has @SPDX-License-Identifier@ header that identifies the exact copyright license that applies to that file.
-The Arvados Documentation located in the doc/ directory is licensed under the "Creative Commons Attribution-Share Alike 3.0 United States":by-sa-3.0.html
+In general, Arvados server-side components and system administration tools contained in the @services/@, @lib/@, @apps/@, @cmd/@, and @tools/@ directories, including the API Server, Workbench, Keep, and Crunch, are licenced under the "GNU Affero General Public License version 3":agpl-3.0.html.
+
+The Arvados client tools and Software Development Kits contained in the @sdk/@ directory and code samples in the Aravados documentation are licensed under the "Apache License, Version 2.0":LICENSE-2.0.html.
+
+The Arvados Documentation located in the @doc/@ directory is licensed under the "Creative Commons Attribution-Share Alike 3.0 United States":by-sa-3.0.html.