diff --git a/.gitmodules b/.gitmodules
index ee7f32f..f422c33 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -196,3 +196,9 @@
 [submodule "Lora-Scral"]
 	path = Lora-Scral
 	url = https://github.com/MONICA-Project/Lora-Scral.git
+[submodule "dns-sd-tester"]
+	path = dns-sd-tester
+	url = http://git.blubbfish.net/vs_projects/dns-sd-tester.git
+[submodule "hp-raid45-recovery"]
+	path = hp-raid45-recovery
+	url = http://git.blubbfish.net/vs_projects/hp-raid45-recovery.git
diff --git a/dns-sd-tester b/dns-sd-tester
new file mode 160000
index 0000000..1b7ad04
--- /dev/null
+++ b/dns-sd-tester
@@ -0,0 +1 @@
+Subproject commit 1b7ad04c246e7ef8452d6f036f653ee634f11a99
diff --git a/hp-raid45-recovery b/hp-raid45-recovery
new file mode 160000
index 0000000..104e6f0
--- /dev/null
+++ b/hp-raid45-recovery
@@ -0,0 +1 @@
+Subproject commit 104e6f0cd2865514b39798a6f4ce36fa50b85ecc