Scratch.mit.edu

Scratch is a programing language created by the MIT, targeted primarily at children 8-16 as an educational tool for coding. Users on the website could share projects, and "remix" existing ones.

History
Scratch 1.0 was launched in 2007, with various versions following years later. As of June 30th, 2021, they have 73,904,927 users registered and 80,800,370 projects shared.

Furry Involvement
Historically, many furries have used this website to post Animation Memes, Animated Music Videos, and art. The Scratch Team has featured these type of projects and many have made it into top loved/top remixed. There are also multiple studios dedicated to furry projects.