diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ace3c65
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "gennet"]
+	path = gennet
+	url = https://gitea.ledoian.cz/LEdoian/gennet
+[submodule "birdvisu"]
+	path = birdvisu
+	url = https://gitea.ledoian.cz/LEdoian/birdvisu
diff --git a/birdvisu b/birdvisu
new file mode 160000
index 0000000..822fc1c
--- /dev/null
+++ b/birdvisu
@@ -0,0 +1 @@
+Subproject commit 822fc1c507c12976ae81fac258a9f7c4256c986f
diff --git a/gennet b/gennet
new file mode 160000
index 0000000..5a446aa
--- /dev/null
+++ b/gennet
@@ -0,0 +1 @@
+Subproject commit 5a446aa6efbbf33b5d7ddcc0f91243fd58ebf057