M17Project
M17 is a digital radio modulation mode, like DMR, D-Star, or Fusion, developed by Wojciech Kaczmarski (SP5WWP) in 2019. Unlike other protocols, M17 has every part of the protocol open source. See: M17Project.org. OpenRTX is an open-source project used to replace the firmware in commercial amateur radios. See: OpenRTX.org. OpenHT is a hardware project working to build and Open Hardware Handy Talkie. It is based on FPGA design - a complete Lattice Radiant project for the LIFCL-40-7SG72C. »