diff --git a/.gitmodules b/.gitmodules
index 7517814..87c75d0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "external/cpp-templates"]
 	path = external/cpp-templates
 	url = https://github.com/Sani7/cpp-templates.git
+[submodule "external/qwt"]
+	path = external/qwt
+	url = https://github.com/Sani7/qwt.git
diff --git a/external/qwt b/external/qwt
new file mode 160000
index 0000000..aab5a99
--- /dev/null
+++ b/external/qwt
@@ -0,0 +1 @@
+Subproject commit aab5a9927cc2fc2b865ef64a8e3d8c1f7f86fd04