Freiburg Acuity etc. Test
Basic assessment of Light, Motion & other perceptual thresholds
A fullscreen squarewave grating, which moves left- or rightwards. You can configure the speed and spatial frequency. The lateral borders have a contrast taper to reduce luminance artifacts for low spatial frequencies.
Has been developed to assess acuity of fish.
Electrophysiological stimulation and measurement system on Macintosh. Outdated (2000!), but still working in several labs. The follow-up version for MacOSX was not fully finished (now frozen), because macOS proved too much of a moving target.