Top 4 vhf open source projects

codec2 talkie
Turn your Android phone into Codec2 Walkie-Talkie (Bluetooth/USB/TCPIP KISS modem client for DV digital voice communication)
antenna analyzer
Arduino Uno based graphical SWR HF/VHF 160-1.25m bands antenna analyzer, plotter based on Si5351 module
pirrot
A radio repeater controller (supporting both simplex and duplex operation modes) for the RaspberryPi.
1-4 of 4 vhf projects