diff --git a/.gitmodules b/.gitmodules
index 36e3534..ed0a6dc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -187,3 +187,18 @@
 [submodule "replacer"]
 	path = replacer
 	url = https://github.com/coil0/replacer.git
+[submodule "mesecons_protected_button"]
+	path = mesecons_protected_button
+	url = https://github.com/pandorabox-io/mesecons_protected_button.git
+[submodule "mesecons_protected_switch"]
+	path = mesecons_protected_switch
+	url = https://github.com/pandorabox-io/mesecons_protected_switch.git
+[submodule "protector"]
+	path = protector
+	url = https://notabug.org/tenplus1/protector.git
+[submodule "hangglider"]
+	path = hangglider
+	url = https://notabug.org/Piezo_/minetest-hangglider.git
+[submodule "geocache"]
+	path = geocache
+	url = https://github.com/pandorabox-io/geocache.git
diff --git a/geocache b/geocache
new file mode 160000
index 0000000..fb39d72
--- /dev/null
+++ b/geocache
@@ -0,0 +1 @@
+Subproject commit fb39d7235297b25a310e511faf7249d2d6bef1ed
diff --git a/hangglider b/hangglider
new file mode 160000
index 0000000..206704f
--- /dev/null
+++ b/hangglider
@@ -0,0 +1 @@
+Subproject commit 206704ffabcdddc61150ed798c88add9965a110d
diff --git a/mesecons_protected_button b/mesecons_protected_button
new file mode 160000
index 0000000..13bdbcd
--- /dev/null
+++ b/mesecons_protected_button
@@ -0,0 +1 @@
+Subproject commit 13bdbcda2bb6b11c3facd61a763ad8c8431e1502
diff --git a/mesecons_protected_switch b/mesecons_protected_switch
new file mode 160000
index 0000000..55ab2ac
--- /dev/null
+++ b/mesecons_protected_switch
@@ -0,0 +1 @@
+Subproject commit 55ab2aca84cc290b42b9fbfc32c1d5f50b20e2a4
diff --git a/protector b/protector
new file mode 160000
index 0000000..482f4f4
--- /dev/null
+++ b/protector
@@ -0,0 +1 @@
+Subproject commit 482f4f4abad08d15f762c9b696b0b0569e812279