| Physlet | Description |
| Animator | Mechanics: objects moving, forces on objects and interactions. |
| BField | Magnetic fields from and on current carrying wires. |
| BlackBody | Wavelength distribution from black body radiation. |
| Circuit4 | Circuit elements with resistors, capacitors and inductors. |
| EField4 | Electric fields from point charges and other sources, test charges that move within the fields. |
| Eigenvalue | Wave functions for potential wells. |
| EMWave | 3-D plots of traveling waves. |
| Faraday | Magnetic induction. |
| Hydrogenic | Plot electron wave functions in atoms. |
| Ising | Visual representation of a 2-d Ising model. |
| Minkowski | Demonstrate Lorenz Transformations. |
| Molecular | Hard-sphere model of gases. |
| Optics | Optics work bench with mirrors, sources, lenses and different mediums. |
| Pipes | Sound waves in pipes. |
| Poisson | Electric fields with extended objects (metal, dielectrics). |
| QTime | Time evolution of quantum waves. |
| Reflection | Reflection and transmision of waves (electromagnetic and quantum). |
| Ripple | Waves (2-d) |
| SoundOut | Plots and plays sound wave functions. |
| SPlotter | Surface plots of functions |
| Superposition | Plots of functions of position and time, including the ability to add them. |
| Input/output | Description |
| Bar | Plots a quantity from another Physlet as a bar. |
| DataGraph | Can plot values (e.g. x, y, v, a, t) from other Physlets. |
| DataTable | Produces tables of values from other Physlets. |
| Slider | Can give input to Physlest with a slider. |
For more information, see the Physlet Homepage.