My Desmos Workshop
Demo 1: Desmos Basics
Demo 2: Polar, Implicit, Parametric Graphs
Demo 3: Secant Line Approaches the Tangent Line
Demo 4: Simple Harmonic Motion
Demo 5: Newton's Method
Demo 6: Mean Value Theorem
Demo 7: Limit Concept
Demo 8: Taylor Polynomials
Demo 9: Circle of Curvature
Demo 10: Polar Conic Sections
Demo 11: Riemann Sum and the Integral
Demo 12: Lagrange Multipliers
Demo 13: Rotating a Parabola and More
Demo 14: Unit Circle and Trig Functions
Demo 15: Euler Method
Demo 16: Spirograph (Parametric Equations)

Videos from Mathispower4u
These videos are ready to go. Share them with students or use them to learn more about Desmos. Each shows an instructor using Desmos to enhance the presentation of the topic. They include extensive notes on the topics, explanations of how to use Desmos, and each is ADA compliant.

Some Calculus Videos
Analyze a Graph Using Desmos to Determine Key Components of a Quadratic (Incr / Decr / Extrema)
Analyze a Graph Using Desmos to Determine Key Components of a Cubic (Incr / Decr / Extrema
Determine Local (Relative) Extrema of a Polynomial Function Using Desmos
Ex 1: Determine the Local / Relative Extrema of a Cubic Function Using Desmos
Ex 2: Determine the Local / Relative Extrema of a Cubic Function Using Desmos (Challenging)

Some other interesting and instructive videos
Evaluate Various Expressions Using Desmos (Graphing Calculator)
Entering and Evaluating Various Expressions on the Desmos Scientific Calculator
Exploring Transformations of Sine and Cosine: y=Asin(B(x-C))+D
Animations of the Graphs of Cosine and Sine Using the Unit Circle (Desmos)
Graph a Piecewise Defined Function Using Desmos (3 parts)

Some advanced examples from Desmos.com
Advance spirographs
Double Pendulum