| Program | Count |
|---|
| <Unknown> | 15030 |
| HamRadioDeluxe | 6457 |
| LOGGER32 | 2549 |
| LoTW | 2288 |
| DXKeeper | 1677 |
| ADIFMaster | 1200 |
| Log4OM | 1119 |
| DX4WIN | 918 |
| QRZLogbook | 909 |
| UR5EQF_log | 727 |
| RUMlogNG | 472 |
| N3FJP's Amateur Contact Log | 471 |
| MacLoggerDX | 367 |
| WINLOG32 | 324 |
| eQSL.cc DownloadInBox | 272 |
| HRDLOGnet | 202 |
| http://pskreporter.info | 192 |
| eQSL.cc DownloadADIF | 171 |
| Aether | 153 |
| CQRLOG | 142 |
| VQLog | 111 |
| AALOG | 106 |
| DXBASE | 92 |
| Amateur Contact Log | 90 |
| BBLOGGER | 74 |
| LOGHX | 69 |
| Club Log | 67 |
| XMLog | 63 |
| fldigi | 55 |
| JTAlert-X | 50 |
| JTAlertX | 47 |
| UR5EQF log | 42 |
| N7LKL | 40 |
| KDK LogBook Suite | 39 |
| HAM Office | 34 |
| MHLog | 33 |
| KF6HI | 28 |
| UcxLog | 27 |
| KDK Log | 25 |
| RUMlog | 24 |
| EA6DDLOG | 24 |
| HamLog | 21 |
| FLE | 17 |
| WIN-TEST | 16 |
| QARTest | 16 |
| HAMLOG.EU | 14 |
| QRZweb=HAS | 14 |
| JT65-HF HB9HQX-Edition | 13 |
| Lux-Log | 10 |
| SSR - Journal de Trafic | 7 |
| Suite Station Radioamateur | 6 |
| KDK Log 2017 | 6 |
| N3FJP's VHF Contest Log | 6 |
| JContestLogHQB | 5 |
| QRZCQ by DO5SSB and DO7FOX | 5 |
| wspr.pl | 5 |
| jLog | 5 |
| PaperQSO
| 5 |
| CloudShack | 4 |
| LoTW qslcards.php | 4 |
| ANDROID_HAM_LOGGER | 3 |
| KLOG
< | 3 |
| NetLogger | 3 |
| WS2ADIF | 3 |
| SOTA2ADIF | 3 |
KLOG
| 2 | |
| HRDAutoUtil | 2 |
| FISTSLogConverter | 2 |
| TurboLog | 2 |
| 5MContest | 2 |
| SCR-Log | 2 |
| UT4UKWLOGBOOK | 2 |
| FLLOG | 2 |
| RUMlogNG2Go | 2 |
| JTAlert | 1 |
| LoggerXP | 1 |
| Turbo HAMLOG/Win | 1 |
| SATADIF
| 1 |
| Contest LogChecker | 1 |
| Johan's Program | 1 |
| WL32 | 1 |
| UltimateAAC | 1 |
| Manual | 1 |
| CSLog | 1 |
| N3AEG Logger | 1 |
| HRDLabel | 1 |
| Xped | 1 |
WG7J's GridMapper v1.6.8 - Usage statistics: