diff --git a/.gitmodules b/.gitmodules
index 9635257ec..ae21dac1d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,15 @@
 [submodule "submodules/RSCore"]
 	path = submodules/RSCore
 	url = https://github.com/brentsimmons/RSCore
+[submodule "submodules/DB5"]
+	path = submodules/DB5
+	url = https://github.com/brentsimmons/DB5
+[submodule "submodules/RSWeb"]
+	path = submodules/RSWeb
+	url = https://github.com/brentsimmons/RSWeb
+[submodule "submodules/RSParser"]
+	path = submodules/RSParser
+	url = https://github.com/brentsimmons/RSParser
+[submodule "submodules/RSTree"]
+	path = submodules/RSTree
+	url = https://github.com/brentsimmons/RSTree
diff --git a/submodules/DB5 b/submodules/DB5
new file mode 160000
index 000000000..6b32b49be
--- /dev/null
+++ b/submodules/DB5
@@ -0,0 +1 @@
+Subproject commit 6b32b49bed78535ae0e608a23edf04df5a9a0c70
diff --git a/submodules/RSParser b/submodules/RSParser
new file mode 160000
index 000000000..677aee859
--- /dev/null
+++ b/submodules/RSParser
@@ -0,0 +1 @@
+Subproject commit 677aee8591ebafc21bc77b619b5a701c203b0165
diff --git a/submodules/RSTree b/submodules/RSTree
new file mode 160000
index 000000000..5f919d00b
--- /dev/null
+++ b/submodules/RSTree
@@ -0,0 +1 @@
+Subproject commit 5f919d00b81365c6fefac52b75dc3442d055ca76
diff --git a/submodules/RSWeb b/submodules/RSWeb
new file mode 160000
index 000000000..d38736115
--- /dev/null
+++ b/submodules/RSWeb
@@ -0,0 +1 @@
+Subproject commit d3873611520499f47bbf94e9fe76d3860ec94191