tty-console based sdr waterfall viewer in truecolor

Electron Radio Hacker - A simple alternative to URH

Collimate your telescope using a video stream and a HUD reticle

Python scripts to talk with USB UPSes (HID) that use Voltronic-QS protocol

Python library to convert s-sparameters into a (ng)spice subcircuit.

Tool to soft reset, hard reset, cycle power, and disable individual USB devices, via INDILIB, REST, and cli

INDI observatory rolloff roof driver to work with a Arduino controller

A MicroPython and CircuitPython library for controlling the si5351 chip - with quadrature support!

Run an openEMS FDTD s-parameter and far-field simulation from a set of STL 3D models

FDTD 3D simulator that generates s-parameters from OFF geometry files using one or more GPUs

Record a SDR stream to a WAV file (or serve it as a HTTP audio stream)

Python 3 script for tuning, specifically narrow-band, bandpass filters

Measure a crystal using a Nanovna automatically

Utility for generating impedance matching Spice subcircuits, supports LCC, TEE, and PI networks

Run VNA sweeps off the original NanoVNA or the new SAA2 (NanoVNAv2) from the command line.

SI5351 library for Micropython with ESP8266 and Bluetooth ESP32 VFO example

Utility to transform, cascade, de-embed and describe s-parameter touchstone files

Library for creating wideband filters, crystal filters, and narrow coupled resonators filters. Includes table of predistorted q, k values from Zverek. Outputs Ness group delay values and Dishal cou…

Python library for setting the frequency of a Si5351 off the Raspberry Pi's I2C bus. (This is Adafruit's si5351 library modified to support the Pi)

Python 3 library for creating IGES files for cubes, lines, and planes

A ExtIO DLL for the rtl_tcp SDR network server