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    • hackrf

      Public
      low cost software radio platform
      C
      1.6k7.6k6014Updated Dec 26, 2025Dec 26, 2025
    • packetry

      Public
      A fast, intuitive USB 2.0 protocol analysis application for use with Cynthion.
      Rust
      34238116Updated Dec 11, 2025Dec 11, 2025
    • facedancer

      Public
      Implement your own USB device in Python, supported by a hardware peripheral such as Cynthion or GreatFET
      Python
      143924194Updated Dec 5, 2025Dec 5, 2025
    • greatfet

      Public
      GreatFET firmware and host software
      C
      102344710Updated Dec 5, 2025Dec 5, 2025
    • python-usb-protocol

      Public
      python library providing utilities, data structures, constants, parsers, and tools for working with USB data
      Python
      366513Updated Dec 4, 2025Dec 4, 2025
    • cynthion

      Public
      USB test instrument
      Rust
      34152310Updated Nov 6, 2025Nov 6, 2025
    • luna-soc

      Public
      Amaranth HDL libary for building USB-capable SoC designs.
      Verilog
      62431Updated Oct 31, 2025Oct 31, 2025
    • pyfwup

      Public
      Python FirmWare UPgrader -- a DFU (and similar) utility for python
      Python
      72420Updated Aug 27, 2025Aug 27, 2025
    • luna

      Public
      Amaranth HDL framework for monitoring, hacking, and developing USB devices
      Python
      1741.1k280Updated Aug 22, 2025Aug 22, 2025
    • plotsweep

      Public
      A tool to plot spectrogram images using hackrf_sweep, soapy_power, or rtl_power output.
      Rust
      83700Updated Jul 23, 2025Jul 23, 2025
    • cynthion-uac

      Public
      Python
      1100Updated Jul 15, 2025Jul 15, 2025
    • misc

      Public
      miscellaneous Great Scott Gadgets projects
      92000Updated Jun 16, 2025Jun 16, 2025
    • libgreat

      Public
      a library to help you do Great things
      C
      273630Updated Jun 3, 2025Jun 3, 2025
    • cynthion-analyzer

      Public
      Integration repository for developing Cynthion's USB analyzer mode
      Makefile
      2600Updated May 13, 2025May 13, 2025
    • pcap-file

      Public
      Fork of the pcap-file crate maintained by GSG
      Rust
      23100Updated May 6, 2025May 6, 2025
    • cynthion-test

      Public
      Test software for Cynthion hardware
      Python
      4810Updated Apr 30, 2025Apr 30, 2025
    • lab-notes

      Public
      notes, test reports, and other documentation for projects in progress
      Python
      49400Updated Mar 23, 2025Mar 23, 2025
    • apollo

      Public
      microcontroller-based FPGA / JTAG programmer
      C
      328281Updated Dec 10, 2024Dec 10, 2024
    • User Interface board of URTI, the Universal Radio Test Instrument
      1910Updated Sep 4, 2024Sep 4, 2024
    • cynthion-hardware

      Public
      USB test instrument
      169210Updated Aug 27, 2024Aug 27, 2024
    • gr-bluetooth

      Public archive
      [Archived] A Bluetooth receiver implementation for GNU Radio
      C++
      7521500Updated Aug 16, 2024Aug 16, 2024
    • greatfet-tutorials

      Public
      Learn to do something new with GreatFET!
      226820Updated Aug 2, 2024Aug 2, 2024
    • ViewSB

      Public archive
      [Archived] open-source USB analyzer toolkit with support for a variety of capture hardware
      Python
      6035500Updated Aug 1, 2024Aug 1, 2024
    • saturn-v

      Public
      DFU bootloader for SAMD11 and SAMD21 microcontrollers
      C
      132321Updated Jun 27, 2024Jun 27, 2024
    • tycho

      Public
      Production test jig for Cynthion
      2600Updated May 7, 2024May 7, 2024
    • Mainboard of URTI, the Universal Radio Test Instrument
      329110Updated Feb 27, 2024Feb 27, 2024
    • greatfet-pinout

      Public
      Simple repository hosting an interactive GreatFET pinout table.
      JavaScript
      4811Updated Feb 1, 2024Feb 1, 2024
    • ubertooth

      Public
      Software, firmware, and hardware designs for Ubertooth
      C
      4442.1k3911Updated Jan 25, 2024Jan 25, 2024
    • gsg-kicad-lib

      Public
      GSG's schematic symbols and modules for KiCad
      255600Updated Jan 4, 2024Jan 4, 2024
    • luna-boards

      Public
      Board definitions for LUNA
      Python
      4100Updated Aug 7, 2023Aug 7, 2023