tools
tools you can use from your web browser
sgp4 earth satellite calculator
predict position and velocity for satellites from their
TLEs
download:
sat-calc.zip
[54K]
offline rhyming dictionary
[3.6M]
self-contained rhyming dictionary you can save for offline use
bitmap font sprite generator
generate a bitmap sprite image from a set of characters
gps dist
calculate cumulative distance from a gpx file
spectrogram
live graph of frequency decibels from microphone data
harmonic visualizer
live graph of spectral slope (dBFS/Hz), second derivative (dBFS/HZ²), harmonics (dBFS), and harmonic delta (ΔdBFS)
glynth
glsl synthesizer