Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.

Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.

Google Arts & Culture - Explore collections of art and culture from around the world, both past and present.

Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...

New Tab by Flickr - Get a beautiful photo each time you open a new tab

Colorblind Web Page Filter - Enter a URL, and this tool will render it as someone with color blindness will see it.