QLog

QLog 0.54.0

Amateur radio logbook software.

  • By OK1MLG
  • Open Source
  • Updated Oct 20, 2026
Download for Windows

About QLog

QLog is an Amateur Radio logging application for Linux, Windows. It is based on the Qt framework and uses SQLite as database backend.
QLogs aims to be as simple as possible, but to provide everything the operator expects from the log to be. This log is not currently focused on contests.

What's new in 0.54.0

  • [NEW] - QSL Printing - Added QSL ordering, QSL Manager and QSL DXCC (issue #1145)
  • [NEW] - Awards - Added WAJA, Polish PGA
  • [NEW] - Awards - Remember dialog filter selection
  • [NEW] - Settings - Rig - Added Winkeyer multi-output support (issue #1034) - see detail below
  • [NEW] - Settings - Backup - Added new option for alternative folder (issue #678)
  • [NEW] - Alerts - Added OS Native Notifications
  • [NEW] - ADIF 3.1.8 - Added new mode JTTY
  • [NEW] - ADIF 3.1.8 - Added new Contest IDs
  • [NEW] - WSJTX - Added support for multiple WSJT-X instances (issue #1184)
  • [NEW] - DXC - Added Command History and Help (issue #1168)
  • [NEW] - DXC - Added Editable DX Comment Template (issue #1168)
  • [NEW] - MCP Bridge - Added read-only bridge between QLog-MCP and QLog
  • [NEW] - MCP Bridge - Added Rig, Rotator, Antenna, Station and Activity information
  • [CHANGED] - Rig Widget - The mouse wheel adjusts the frequency digit under the pointer
  • [CHANGED] - Rig Widget - Changed tunning step from 1kHz to 10Hz
  • [CHANGED] - New Contact - Changed tunning step from 1kHz to 10Hz
  • [CHANGED] - Alerts - Alerts Rule: Reworked DXCC Status setting
  • [CHANGED] - WSJTX - Replaced "Last Activity" with "Activity Bars"
  • [CHANGED] - DXC - Send Last QSO dynamically switches to Spot QSO
  • [CHANGED] - Autobackup - Backup is performed in the background using a copy of DB.
  • [CHANGED] - List of Values - Prepare updates in the background and apply them at startup (issue #949)
  • Fixed QSO Filter does not accept filtering by Country in selected language (issue #731)
  • Fixed Limit Grid input field to 8 characters (issue #1028)
  • Fixed CI DEB artifact path assumes the repository is named QLog (issue #1182)
  • Fixed link to Awards Japanese Cities
  • Fixed AppImage not possible to run on older distros
  • Fixed missing ADIF Modes - ARDOP, JT44, OPERA, PAC
  • Fixed Removed incorrect JTMSK mode entry (issue #1190)
  • Fixed TCI rig profile saved without Host Name gets stuck (issue #1197)
  • Fixed Cabrillo VHF frequency and band-only QSO export and filtering
  • Fixed Cabrillo missing LOCATION Header
  • Fixed Cabrillo ending minute filter
  • Fixed Disabled foreign keys during migration process
  • Fixed Normalization ADIF fields before matching and import (issue #1208)
  • Fixed Rig control frequency disappear (issue #1204 - QT issue workaround)
  • Hamlib - Improved Split Disable
  • Hamlib - Adjusted the checkChanges sequence
  • Pack and Unpack DB and Setting Cleanup and hardening …

Full release notes »

Technical details

PublisherOK1MLG
AuthorLadislav Foldyna
Version0.54.0
Release date2026-10-20
LicenseGPL-3.0
Installer typeexe
Architecturex64
Package IDLadislavFoldyna.QLog
Admin rightsRequired
Install scopeCurrent user
DependenciesMicrosoft.VCRedist.2015+.x64

Install QLog from the command line

Install with Windows Package Manager
winget install --id=LadislavFoldyna.QLog -e
Update to the latest version
winget upgrade --id=LadislavFoldyna.QLog -e
Uninstall
winget uninstall --id=LadislavFoldyna.QLog -e
Silent install with the offline installer
"QLog-0.54.0-x86_64.exe" install --confirm-command
Install to a custom folder
"QLog-0.54.0-x86_64.exe" --root "D:\Apps\QLog"

amateur-radioham-radioradio

QLog version history

0.53.0 Sep 18, 2026
  • [NEW] - Online Map - Added Maps localization (issue #873)
  • [NEW] - QSO Filter - Added Clone Profile button (PR #1151 issue #1144 @aa5sh)
  • [NEW] - Alert Rules - Added Clone Rule button (PR #1151 issue #1144 @aa5sh)
  • [NEW] - Activity Manager - Added Clone Activity button
  • [NEW] - Awards - Adding Canada Award, WANA, RAC (PR #1152 issue #1075 @aa5sh @foldynl)
  • [NEW] - Logbook - QSO Filter - Added Change Filter Parameters Widget
  • [NEW] - Logbook - QSO Filter - Added date-time periods today, last week and more
  • [CHANGED] - Online Map - Using vector maps with a fallback to raster maps
  • [CHANGED] - List of Values – use uncompressed files
  • [CHANGED] - NewQSO - Reworked field-clearing algorithm (issue #411)
  • [CHANGED] - NewQSO - Freq field can be switched to Band field (issue #905 @aa5sh @foldynl)
  • [CHANGED] - NewQSO - Separate DXCC satellite statistic tracking
  • [CHANGED] - Settings - Hamlib Interface now prefills default capabilities for newly defined rigs
  • [CHANGED] - Settings - Rig Sharing shows the rigctld parameters set by QLog
  • [CHANGED] - Export - The filename suffix is added when missing (issue #1158)
  • [CHANGED] - Help Discussion instead of Help Mailing List
  • Fixed Hamlib Driver - preparation for Hamlib 5.0
  • Fixed External QSO - Use properly data from a matching Station Profile (issue #1148)
  • Fixed DX Spot frequency rounding - Added one decimal place for kHz (issue #1149) …
0.52.0-1 Aug 21, 2026
  • [NEW] - QSL Printing - Added Custom Paper Size (issue #1089)
  • [NEW] - FLDigi Logging - Added ADIF UDP logging method (issue #1113)
  • [NEW] - Services - Added QSLInfo.de as the QSL Manager Service (PR #1116 @aa5sh @foldynl)
  • [NEW] - Alerts - Added ability to clear selected alerts (PR #1104 @aa5sh)
  • [NEW] - LoTW - Added an All Callsigns option (PR #1084 @aa5sh)
  • [NEW] - LoTW/eQSL - Report reasons for unmatched QSOs
  • [NEW] - Online Map - Added HeardMe Spot from PSKReporter and RBN (PR #1115 #1107 @aa5sh @foldynl)
  • [NEW] - Online Map - WSJTX-CQ Added the second ring if SNR > -15dB
  • [NEW] - Online Map - Added interactive antenna control; Target Antenna context menu
  • [NEW] - Offline Map - Added zoom, panning, and QSO path fitting
  • [NEW] - Settings - Antenna profile can be selected automatically by TX band (issue #392 #781)
  • [NEW] - Settings - Antenna profile can have an Assigned Rotator
  • [NEW] - Settings - Added an option to hide DXCC entity flags (issue #1129)
  • [NEW] - Statistics - Added QSO histogram by operator callsign (PR #1127 @mc-doge666)
  • [NEW] - Added direct labeling of QSL Sent QSO context menu (PR #1123 @mc-doge666)
  • [NEW] - Contest - Added Flexible Exchange Linking
  • [NEW] - Rotator Widget - Add persistent map navigation (zooming/moving)
  • [CHANGED] - Online Map - Improve dark mode night-side visibility
  • [CHANGED] - Online Map - Adapt antenna beam length to map context …
0.51.1-1 Jul 7, 2026

- Fixed WSJTX QSO Name Field is cleared (issue #1019)
- Fixed WAAC - added missing ZS0, ZS9, displaying prefixes (issue #1070)
- Fixed Cabrillo Template - Handle null dbField when saving (issue #1077 @aa5sh @foldynl)
- Updated German translation (PR #1080 thx @mulecram)
- Removed a length limit of qsl_via field (PR #1081 @trgosk @foldynl)
Full Changelog: https://github.com/foldynl/QLog/compare/v0.51.0...v0.51.1
Windows Libraries:
Qt 6.11.1
hamlib 4.7.1
Timezone DB: 2025c (https://github.com/evansiroky/timezone-boundary-builder/releases)
Binaries:
Windows: below
Fedora: below
Ubuntu: via PPA (https://launchpad.net/~foldyna/+archive/ubuntu/qlog)
Flatpak package is available via Flathub. The package contains built-in Trusted QSL.
MacOS DMG: https://github.com/aa5sh/QLog/releases

Frequently asked questions

Is QLog free?

Yes. QLog is free and open-source software released under the GPL-3.0 license.

What is the latest version of QLog?

The latest version is 0.54.0, released on Oct 20, 2026.

Is it safe to download QLog?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 1e8f95b1392dc2e015c2eeaabf6571ab3cd0e9467b9fa63d57b558edcdb65358.

Which Windows versions does QLog support?

QLog runs on Windows and is available for 64-bit (x64) systems.

How do I install QLog silently?

Run the offline installer with "QLog-0.54.0-x86_64.exe" install --confirm-command, or install it with Windows Package Manager: winget install --id=LadislavFoldyna.QLog -e --silent.

How do I uninstall QLog?

Open Settings › Apps › Installed apps, find QLog and select Uninstall. From the command line, run winget uninstall --id=LadislavFoldyna.QLog -e.

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