Amplify (neé Desmos) builds great tools and manipulatives that are great for classroom use and curious play. Read more of the pedagogy behind these tools on Mathworlds. https://danmeyer.substack.com/
> Amplify (neé Desmos) It looks like "Amplify Education, Inc" and "Desmos Studio" (Public Benefit Corporation) are separate entities. The desmos website still shows that most of the Desmos "math tools" still exist under the Desmos name (graphing calculator, scientific calculator, four function, matrix, geometry, 3D), but that "Desmos Classroom" specifically has been renamed to "Amplify Classroom" [1]. The amplify usa…
That team got acquired by Amplify, and eventually the "Desmos Classroom" tool used to make the activities got acquired by Amplify too, leaving Desmos with just the more consumer-focused graphing calculator stuff. Amplify also acquired this other "Polypad" product and kind of merged the two together into what's now called "Amplify Classroom".
I think Amplify is still selling/distributing a lot of the activities that were originally made by the Desmos people.