Give Streamyard a try and get access to the Giveaway tool for free!
Start your stream with @Streamyard then go to streamyard.com/giveaway. Pick the phrase you want people to type in the chat. When the time comes, share the tab on screen so people can see the tool as it randomly picks the winner.
0:00 Free Streamyard giveaway tool
6:29 Picking a winner
13:30 Streamyard tshirt
22:10 Streamyard duck Puddles