MagicalDraw is a free, no registration required drawing chat service.
You can create a drawing chat room in no time.

- You can create a drawing chat room in 1 second, all for free.
- No registration is required. Just push a button.
- All the people on your computer or phone can enter the same room and draw at the same time.
- You can change the size of the vast canvas as you wish.
- Not to mention the layer function, shake correction and undo!
- There is no limit to the number of people in a room, so you can use it for a large group and there is no time limit.
- You can use the room you created forever. Your drawings will not be erased.
- You can load, save and restore images.
- You can set up passwords, of course, as well as Twitter connections and mutual followers!
- You can stroke the picture of your precious person. Of course, you can also use the legs of a squid.
- You can easily tweet or make a video of the picture you have drawn.
- You can also play games such as "Drawing Swamp"!