Best Open Source Ham Radio Software 2025

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Browse free open source Ham Radio software and projects below. Use the toggles on the left to filter open source Ham Radio software by OS, license, language, programming language, and project status.

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1

QRPSim

QRP contests simulator

QRPSim is a contest and general QRP CW QSOs simulator. Currently supports RU-QRP "Russian Hunt" QRP game. QRPSim is used by novice to increase CW practice in contest-like environment. It useful for training and entertainment, popularizing RU-QRP activities amongst hamradio worldwide. Contest managers are able to "debug" contest rules by simulating various scenarios with QRPSim.

1 Review

Downloads: 5 This Week

Last Update: 2013-05-30
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2

Transistor Specifications

50 most common transistor specs

The specifications and information for the 50 most common transistors used in small electronic circuits, robots, and prototyping.

1 Review

Downloads: 1 This Week

Last Update: 2015-11-24
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