diff --git a/Applications/VisualBuilder/VBPropertiesWindow.cpp b/Applications/VisualBuilder/VBPropertiesWindow.cpp
index 5b52afc448..a2a9cc082c 100644
--- a/Applications/VisualBuilder/VBPropertiesWindow.cpp
+++ b/Applications/VisualBuilder/VBPropertiesWindow.cpp
@@ -19,6 +19,7 @@ VBPropertiesWindow::VBPropertiesWindow()
     m_text_box->set_preferred_size({ 0, 21 });
 
     m_table_view = new GTableView(widget);
+    m_table_view->set_editable(true);
 }
 
 VBPropertiesWindow::~VBPropertiesWindow()
diff --git a/Applications/VisualBuilder/VBWidgetPropertyModel.cpp b/Applications/VisualBuilder/VBWidgetPropertyModel.cpp
index 9e2d61c819..922f568a95 100644
--- a/Applications/VisualBuilder/VBWidgetPropertyModel.cpp
+++ b/Applications/VisualBuilder/VBWidgetPropertyModel.cpp
@@ -52,3 +52,19 @@ GVariant VBWidgetPropertyModel::data(const GModelIndex& index, Role role) const
     }
     return { };
 }
+
+void VBWidgetPropertyModel::set_data(const GModelIndex& index, const GVariant& value)
+{
+    ASSERT(index.column() == Column::Value);
+    auto& property = *m_widget.m_properties[index.row()];
+    ASSERT(!property.is_readonly());
+    property.set_value(value);
+}
+
+bool VBWidgetPropertyModel::is_editable(const GModelIndex& index) const
+{
+    if (index.column() != Column::Value)
+        return false;
+    auto& property = *m_widget.m_properties[index.row()];
+    return !property.is_readonly();
+}
diff --git a/Applications/VisualBuilder/VBWidgetPropertyModel.h b/Applications/VisualBuilder/VBWidgetPropertyModel.h
index 0d7ee5909b..b84bffc697 100644
--- a/Applications/VisualBuilder/VBWidgetPropertyModel.h
+++ b/Applications/VisualBuilder/VBWidgetPropertyModel.h
@@ -22,6 +22,8 @@ public:
     virtual ColumnMetadata column_metadata(int column) const override;
     virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
     virtual void update() override { did_update(); }
+    virtual bool is_editable(const GModelIndex&) const override;
+    virtual void set_data(const GModelIndex&, const GVariant&) override;
 
 private:
     explicit VBWidgetPropertyModel(VBWidget&);
diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index 0081b88ece..f9636cfdef 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -26,14 +26,14 @@
 #include <Kernel/Net/NetworkTask.h>
 #include <Kernel/Devices/DebugLogDevice.h>
 
-#define SPAWN_TERMINAL
+//#define SPAWN_TERMINAL
 //#define SPAWN_LAUNCHER
 //#define SPAWN_GUITEST2
 //#define SPAWN_FILE_MANAGER
 //#define SPAWN_PROCESS_MANAGER
 //#define SPAWN_TEXT_EDITOR
 //#define SPAWN_FONTEDITOR
-//#define SPAWN_VISUAL_BUILDER
+#define SPAWN_VISUAL_BUILDER
 //#define SPAWN_MULTIPLE_SHELLS
 //#define STRESS_TEST_SPAWNING
 
diff --git a/LibGUI/GAbstractView.cpp b/LibGUI/GAbstractView.cpp
index 3db6b00852..0187225368 100644
--- a/LibGUI/GAbstractView.cpp
+++ b/LibGUI/GAbstractView.cpp
@@ -2,6 +2,7 @@
 #include <LibGUI/GModel.h>
 #include <LibGUI/GScrollBar.h>
 #include <LibGUI/GPainter.h>
+#include <LibGUI/GTextBox.h>
 #include <Kernel/KeyCode.h>
 
 GAbstractView::GAbstractView(GWidget* parent)
@@ -11,6 +12,7 @@ GAbstractView::GAbstractView(GWidget* parent)
 
 GAbstractView::~GAbstractView()
 {
+    delete m_edit_widget;
 }
 
 void GAbstractView::set_model(RetainPtr<GModel>&& model)
diff --git a/LibGUI/GAbstractView.h b/LibGUI/GAbstractView.h
index 5048d26048..f0c33c5bd9 100644
--- a/LibGUI/GAbstractView.h
+++ b/LibGUI/GAbstractView.h
@@ -4,6 +4,8 @@
 #include <LibGUI/GScrollableWidget.h>
 #include <AK/Function.h>
 
+class GTextBox;
+
 class GAbstractView : public GScrollableWidget {
     friend class GModel;
 public:
@@ -14,6 +16,9 @@ public:
     GModel* model() { return m_model.ptr(); }
     const GModel* model() const { return m_model.ptr(); }
 
+    bool is_editable() const { return m_editable; }
+    void set_editable(bool editable) { m_editable = editable; }
+
     virtual bool accepts_focus() const override { return true; }
     virtual void did_update_model();
     virtual void did_update_selection();
@@ -25,6 +30,10 @@ public:
 protected:
     virtual void model_notification(const GModelNotification&);
 
+    bool m_editable { false };
+    GModelIndex m_edit_index;
+    GTextBox* m_edit_widget { nullptr };
+
 private:
     RetainPtr<GModel> m_model;
 };
diff --git a/LibGUI/GModel.h b/LibGUI/GModel.h
index 1d355e4f27..25d80b35fb 100644
--- a/LibGUI/GModel.h
+++ b/LibGUI/GModel.h
@@ -57,6 +57,8 @@ public:
     virtual GModelIndex index(int row, int column = 0, const GModelIndex& = GModelIndex()) const { return create_index(row, column); }
     virtual void activate(const GModelIndex&) { }
     virtual GModelIndex sibling(int row, int column, const GModelIndex& parent) const;
+    virtual bool is_editable(const GModelIndex&) const { return false; }
+    virtual void set_data(const GModelIndex&, const GVariant&) { }
 
     bool is_valid(const GModelIndex& index) const
     {
diff --git a/LibGUI/GTableView.cpp b/LibGUI/GTableView.cpp
index a0bf2af1b7..85b54cc2b6 100644
--- a/LibGUI/GTableView.cpp
+++ b/LibGUI/GTableView.cpp
@@ -2,6 +2,7 @@
 #include <LibGUI/GModel.h>
 #include <LibGUI/GScrollBar.h>
 #include <LibGUI/GPainter.h>
+#include <LibGUI/GTextBox.h>
 #include <Kernel/KeyCode.h>
 
 GTableView::GTableView(GWidget* parent)
@@ -38,6 +39,21 @@ void GTableView::did_update_model()
     update();
 }
 
+Rect GTableView::cell_content_rect(int row, int column) const
+{
+    auto row_rect = this->row_rect(row);
+    int x = 0;
+    for (int i = 0; i < column; ++i)
+        x += column_width(i) + horizontal_padding() * 2;
+
+    return { horizontal_padding() + row_rect.x() + x, row_rect.y(), column_width(column), item_height() };
+}
+
+Rect GTableView::cell_content_rect(const GModelIndex& index) const
+{
+    return cell_content_rect(index.row(), index.column());
+}
+
 Rect GTableView::row_rect(int item_index) const
 {
     return { 0, header_height() + (item_index * item_height()), max(content_size().width(), width()), item_height() };
@@ -87,9 +103,13 @@ void GTableView::mousedown_event(GMouseEvent& event)
 
     if (event.button() == GMouseButton::Left) {
         auto adjusted_position = event.position().translated(0, vertical_scrollbar().value());
-        for (int i = 0; i < item_count(); ++i) {
-            if (row_rect(i).contains(adjusted_position)) {
-                model()->set_selected_index(model()->index(i, 0));
+        for (int row = 0, row_count = model()->row_count(); row < row_count; ++row) {
+            if (!row_rect(row).contains(adjusted_position))
+                continue;
+            for (int column = 0, column_count = model()->column_count(); column < column_count; ++column) {
+                if (!cell_content_rect(row, column).contains(adjusted_position))
+                    continue;
+                model()->set_selected_index(model()->index(row, column));
                 update();
                 return;
             }
@@ -300,6 +320,38 @@ void GTableView::doubleclick_event(GMouseEvent& event)
         return;
     if (event.button() == GMouseButton::Left) {
         mousedown_event(event);
-        model()->activate(model()->selected_index());
+        if (is_editable())
+            begin_editing(model()->selected_index());
+        else
+            model()->activate(model()->selected_index());
     }
 }
+
+void GTableView::begin_editing(const GModelIndex& index)
+{
+    ASSERT(is_editable());
+    ASSERT(model());
+    if (m_edit_index == index)
+        return;
+    if (!model()->is_editable(index))
+        return;
+    if (m_edit_widget)
+        delete m_edit_widget;
+    m_edit_index = index;
+    m_edit_widget = new GTextBox(this);
+    m_edit_widget->set_text(model()->data(index, GModel::Role::Display).to_string());
+    m_edit_widget->set_relative_rect(cell_content_rect(index));
+    m_edit_widget->set_focus(true);
+    m_edit_widget->on_return_pressed = [this] {
+        ASSERT(model());
+        model()->set_data(m_edit_index, m_edit_widget->text());
+        stop_editing();
+    };
+}
+
+void GTableView::stop_editing()
+{
+    m_edit_index = { };
+    m_edit_widget->delete_later();
+    m_edit_widget = nullptr;
+}
diff --git a/LibGUI/GTableView.h b/LibGUI/GTableView.h
index ea75381056..3900e164a5 100644
--- a/LibGUI/GTableView.h
+++ b/LibGUI/GTableView.h
@@ -30,6 +30,9 @@ public:
     bool is_column_hidden(int) const;
     void set_column_hidden(int, bool);
 
+    void begin_editing(const GModelIndex&);
+    void stop_editing();
+
     virtual const char* class_name() const override { return "GTableView"; }
 
 private:
@@ -45,6 +48,8 @@ private:
     Rect header_rect(int) const;
     int column_width(int) const;
     void update_content_size();
+    Rect cell_content_rect(const GModelIndex&) const;
+    Rect cell_content_rect(int row, int column) const;
 
     Vector<bool> m_column_visibility;
     int m_horizontal_padding { 5 };