Free Rice
Each question answered correctly translates to 10 grains of rice donated to a hunger charity.

Find the Invisible Cow
An Internet version of the hiding game Hot and Cold.

Staggering Beauty
Make the worm dance with your mouse. (Contains flashing images.)

Live Feed of Abbey Road Crossing

A 24/7 feed of the “zebra crossing” made famous by the Beatles’ album cover

Just this giant Wikipedia list of dogs
Space dogs? Check. War dogs? Check. Famous dogs? Check annnnd check.

Astronomy Picture of the Day
Stunning photographs of space.

Duo Lingo
Learn a new language for free.

Hubski
A forum of good ideas and conversations.

Lizard Point
Browser-based educational activities.

Music Theory
Learn the language of music.

Sleepytime
A calculator that tells you exactly when to wake up for a good night’s sleep.

Code Academy
Step 1. Learn to Code. Step 2: ??? Step 3: Profit.

What Should I Read Next?
Suggests books and authors based upon your interests.

OnRead
Free e-books.

Weave Silk
Draw stunning symmetrical images with the click of a mouse.

I Need a Prompt
An idea generator.

This is Sand
Draw things with sand.

Sporcle
Brain games.

Poptropica
An interactive online RPG.

TagPro
Multi-player online capture the flag.

Foddy
A running game using your keyboard skills.

Incredibox
Create your own music with just a few clicks.

A Soft Murmur
Set the mood with weather sounds.

Rainy Mood
Sometimes, the sound of rain is soothing.

Lifehacker
Sometimes, it’s the little things in life that need improvement.

Instructables
DIY everything.

Snopes
Dig deeper and find out the truth.