Free software mention

diff --git a/doc/index.texi b/doc/index.texi
index 8abdef441dd0a946153817c551ad4a6fb61eca8f118db0b21762ed8ed57d956a..009783d219f17bf6054b81a762ca48bc1376950905e406331daa5b07d8b9ce6f 100644 (file)
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -45,6 +45,13 @@ problem and that everything stopped working.
 
 @end itemize
 
+VoRS is
+@url{https://www.gnu.org/philosophy/pragmatic.html, copylefted}
+@url{https://www.gnu.org/philosophy/free-sw.html, free software}
+licenced under @url{https://www.gnu.org/licenses/agpl.html, GNU Affero GPLv3}.
+It should work on all
+@url{https://en.wikipedia.org/wiki/POSIX, POSIX}-compatible systems.
+
 @float
 @image{screenshots/example,,,Server and two clients,.webp}
 @caption{Server (above) and two clients (left and right) in a terminal multiplexer}