diff --git a/src/components/mod.rs b/src/components/mod.rs
index 24e9074..d7f7fbe 100644
--- a/src/components/mod.rs
+++ b/src/components/mod.rs
@@ -3,4 +3,5 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 pub mod app;
+pub mod sidebar;
 pub mod window;
diff --git a/src/components/sidebar/imp.rs b/src/components/sidebar/imp.rs
new file mode 100644
index 0000000..cc41ea5
--- /dev/null
+++ b/src/components/sidebar/imp.rs
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use gtk::prelude::*;
+use gtk::subclass::prelude::*;
+use gtk::CompositeTemplate;
+
+#[derive(Default, CompositeTemplate)]
+#[template(file = "./sidebar.ui")]
+pub struct EchidnaSidebar {}
+
+#[glib::object_subclass]
+impl ObjectSubclass for EchidnaSidebar {
+    const NAME: &'static str = "EchidnaSidebar";
+    type Type = super::EchidnaSidebar;
+    type ParentType = gtk::Box;
+
+    fn class_init(klass: &mut Self::Class) {
+        Self::bind_template(klass);
+    }
+
+    fn instance_init(obj: &glib::subclass::InitializingObject<Self>) {
+        obj.init_template();
+    }
+}
+
+impl ObjectImpl for EchidnaSidebar {}
+impl WidgetImpl for EchidnaSidebar {}
+impl BoxImpl for EchidnaSidebar {}
diff --git a/src/components/sidebar/mod.rs b/src/components/sidebar/mod.rs
new file mode 100644
index 0000000..25b3ef2
--- /dev/null
+++ b/src/components/sidebar/mod.rs
@@ -0,0 +1,13 @@
+pub mod imp;
+
+glib::wrapper! {
+    pub struct EchidnaSidebar(ObjectSubclass<imp::EchidnaSidebar>)
+    @extends gtk::Box, gtk::Widget,
+    @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget, gtk::Orientable;
+}
+
+impl EchidnaSidebar {
+    pub fn new() -> Self {
+        glib::Object::new(&[]).expect("Failed to create 'EchidnaSidebar' component.")
+    }
+}
diff --git a/src/components/sidebar/sidebar.ui b/src/components/sidebar/sidebar.ui
new file mode 100644
index 0000000..0d59946
--- /dev/null
+++ b/src/components/sidebar/sidebar.ui
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk+" version="4.5.0" />
+  <!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at https://mozilla.org/MPL/2.0/.
+-->
+  <template class="EchidnaSidebar">
+    <child>
+      <object class="GtkStackSidebar">
+        <property name="stack">
+          <object class="GtkStack">
+            <child>
+              <object class="GtkStackPage">
+                <!-- Explorer Tab -->
+                <property name="name">explorer</property>
+                <property name="title">Explorer</property>
+                <property name="child">
+                  <object class="GtkBox">
+                    <property name="orientation">GTK_ORIENTATION_VERTICAL</property>
+                    <child>
+                      <object class="GtkTreeView" id="treeview">
+                        <property name="model">liststore1</property>
+                        <child></child>
+                        <child internal-child="selection">
+                          <object class="GtkTreeSelection" id="selection">
+                            <signal name="changed" handler="on_treeview_selection_changed" />
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </property>
+
+              </object>
+            </child>
+            <child>
+              <object class="GtkStackPage">
+                <!-- Search Tab -->
+                <property name="name">search</property>
+                <property name="title">Search</property>
+                <property name="child">
+                  <object class="GtkBox">
+                    <property name="orientation">GTK_ORIENTATION_VERTICAL</property>
+                    <child>
+                      <object class="GtkLabel">
+                        <property name="label">Search</property>
+                      </object>
+                    </child>
+                  </object>
+                </property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkStackPage">
+                <!-- Extensions Tab -->
+                <property name="name">extensions</property>
+                <property name="title">Extensions</property>
+                <property name="child"></property>
+
+              </object>
+            </child>
+          </object>
+        </property>
+      </object>
+    </child>
+  </template>
+</interface>
\ No newline at end of file