4 3.0.0
drag and drop
4 3.3.0
sanjay bootsnipp drop down
4 4.1.1
Pure CSS Bootstrap 4 Cascading Drop Down Menu
Pastel Panels with Shadows
Tabs
4 4.0.0
Togglable tabs
Tabs for Admin
Bootstrap 4 Tabs
Vertical Tabs
Ejemplo Tabs para página ICODER
3 3.3.0
Collapse extra tabs to drop down