diff --git a/paludis/keywords.conf b/paludis/keywords.conf
index 53a4dcb..2178774 100644
--- a/paludis/keywords.conf
+++ b/paludis/keywords.conf
@@ -834,3 +834,7 @@ dev-vcs/darcs
 #dev-ruby/power_assert ~amd64
 #dev-ruby/test-unit:2 ~amd64
 #dev-ruby/racc ~amd64
+
+
+# nuget for openra packaging
+dev-lang/mono ~amd64
diff --git a/paludis/repositories/dotnet.conf b/paludis/repositories/dotnet.conf
new file mode 100644
index 0000000..f8a0dd9
--- /dev/null
+++ b/paludis/repositories/dotnet.conf
@@ -0,0 +1,9 @@
+location = /var/lib/layman/dotnet
+sync =
+#profiles = /usr/portage/profiles/default/linux/amd64/13.0
+#eclassdirs = /usr/portage/eclass
+#distdir = /home/distfiles
+#master_repository = gentoo
+format = e
+names_cache = /var/cache/paludis/names
+write_cache = /var/cache/paludis/metadata