HamMessenger is a portable device that uses a ham radio and the APRS protocol as a medium to send and receive text messages.
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Updated
Aug 18, 2026 - C++
HamMessenger is a portable device that uses a ham radio and the APRS protocol as a medium to send and receive text messages.
Open-source MIT firmware for DMR radios: one codebase, many models. Tier II DMR, FM, dual watch, text and location, hotspot and IP network, a web installer and codeplug editor. DM-32UV, DM-1701, DM-1801 Pro, DB25-D PRO, MD-380.
Reference page to my DEF CON 28 presentation.
A collection of notable radio frequencies near Philadelphia PA and beyond
Advanced Encrypted Voice Communication System (AES256)
A powerful Python script that pulls frequency data from Radio Reference via web scraping and converts it to CHIRP-compatible CSV format for import into handheld radios.
Local-first tool for flashing custom boot logos to Baofeng radios via USB serial, with CLI and optional Streamlit UI.
Configuration utility for DMR radios (adding support for Baofeng DM-32)
HT Amateur Radio Programming files, firmware, upgrades & guides
Open-source Android app for the Baofeng ALERVITES AT2 radio
Trying to gather information on Arcshell AR-5 Radios
Amateur radio firmware for the GD-77, GD-77S, DM-1801, DM-1801A, RD-5R, MD-9600/RT-90, MD-UV380/RT-3S, DM-1701/RT-84 and MD2017/RT-82.
RadioReference scraping and frequency processing toolkit for chirp-oriented workflows.
Programming a radio should be a build, not a CPS session. codeplugger combines shared RF facts with your version-controlled profile to build a validated, radio-neutral codeplug. Export it, or write it directly to a supported radio.
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