AmazonSmile is a simple and automatic way for you to support CDT every time you shop, at no cost to you. When you shop at, you’ll find the exact same low prices, vast selection and convenient shopping experience as, with the added bonus that Amazon will donate a portion of the purchase price to CDT! Just click the logo below and Amazon will make a donation to CDT every time you shop at Amazon!

If you are a PC gamer who participates in Humble Bundle promotions, you can save money and support CDT at the same time. Simply visit HumbleBundle to select CDT as your preferred charity, and CDT will receive a portion of the proceeds on select purchases at no cost to you.

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