TR

Trusted QSL

Trusted QSL (TQSL) is free software used to upload and digitally sign Amateur Radio QSO logs to the ARRL Logbook of the World (LoTW). It supports Windows, MacOS, and Linux platforms and preserves user certificates and preferences during upgrades.
Latest: 2.8.1
Last checked: Mar 23, 2026 5:15am
Followers: 0
Rank: 2211/17421
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Overview

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License: Free softwareInstaller: installer, .pkg, Flatpak (Linux)Winget: Available
Product Page Support Page Download Page

Version & Lifecycle

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Current: 2.8.1 N-2: 2.7.5 Avg cadence: Every 7 days

Tags

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amateur radio qso digital signature ham radio logbook ARRL LoTW

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

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Release Notes & Updates

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Avg cadence: —
Updates • 0

Packaging Notes

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Available for Windows, MacOS, Linux (including Flatpak and AUR packages)

Notes

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Latest version 2.7.5 released 2024-11-23. Installation replaces older versions while preserving user data. Linux users can install via Flatpak or AUR. LoTW service is free and does not require ARRL membership.