TR4W is a free, open-source contest logger built for serious operators. Under 410 KB, supports 180+ contests, and runs on Windows and Linux.
v4.147.00 · March 2026 · Free & Open Source
Under 600 KB total. Loads instantly, stays out of your way. Every byte earns its place.
From CQ WW to local sprints. Full contest list available — if it's real, TR4W probably knows it.
Runs natively on Windows. Also supported under Linux via Wine — log from wherever you operate.
Arrange windows to match your operating style. Your station, your layout.
Full source on GitHub. Fork it, audit it, improve it. Hosted by the community, for the community.
Localized in 7 languages: Ukrainian, Romanian, Serbian, German, Russian, Czech, and Mongolian.
Windows installer · 4.147.00 · March 2026 · Free, always
Having issues? See the download help page ↗