Add alternatives and edit screenshot

README.md

@@ -1,4 +1,4 @@
-# Auto Day/Night Theme Switch (`adnts`)
+# Auto Day/Night Theme Switch `adnts`
 
 A GNOME extension to automatically switch theme depending on the time of the day
 
@@ -62,6 +62,21 @@ rm -rf path/to/install/dir/[email protected]
 
 Then re-login to make sure GNOME unloaded the extension
 
+## Alternatives
+
+If you're unhappy with this extension, you might want to take a look at some
+alternatives :
+
+- [Night Theme Switcher](https://gitlab.com/rmnvgr/nightthemeswitcher-gnome-shell-extension) by rmnvgr
+
+> Automatically toggle between your light and dark GTK theme variants when
+> Night Light activates
+
+- [AutomaThemely](https://github.com/C2N14/AutomaThemely) by C2N14
+
+> Simple, set-and-forget python application for changing between desktop themes
+> according to light and dark hours
+
 ## License
 
 This project uses the GPLv3 license (see: [LICENSE.txt](LICENSE.txt))