Widgets are essential part of screen customization, Android widgets if used appropriately makes the home screen look better and serve as an educational tool,.

Here are some tested and trusted widgets

1 Bible widgets

Bible widgets always display the Bible verse for the day on your screen
Some Bible widgets can be online or offline

2. English dictionary widget
This widget is displays new word every 10 minutes, this widget Is offline because it has been Integrated into the entire English dictionary

3 Calendar widget
This display the calendar and upcoming events

4. Weather widget

5. Color note widget

Personally the best note taking application on android is color note, this application comes with widget, color note allows you to take note, back up your notes, synchronize your notes and even lock specific notes, this widgets displays your specified note on the home screen

Screenshot

Also remember that using a lot of widgets gives your device a significant performance hit.

khalhokage:
Also remember that using a lot of widgets gives your device a significant performance hit.

You're right