1. Camelizer
Easily see prize history of any Amazon product. This extension is developed by Camel Camel.com
2. Netflix Party
It lets you watch netflix with your friends at the same time.
3. Google Dictionary
Double click any word to see its meaning.
4. Momentum
To increase productivity
5. Google Cast
For obvious reasons
6. Flashcontrol
Prevents flash content from loading.
7. Imagus
enlarge thumbnails and show images from links by hovering your mouse over them
8. Alientube
It replaces youtube comment with Reddit comments.
9. Save to Pocket
To save to Pocket
10. Honey
Collects coupon codes for the site you are visiting.
Ooh Google dictionary sounds handy. Thanks!