Webbased Amateur Radio Logging Software - Log your contacts from everywhere!

Amateur radio logbook software

KLog is a multiplatform free hamradio logger. It runs natively on Linux, macOS and Windows.

Plot QSO details vs. time.

A program to sign an arbitrary file with your Logbook of the World key and verify such signatures.

A toy I made when I wanted to learn about google maps api

Ham Radio ADIF Logbook format merge/resolution program written in Python

N1KDO's LoTW Look, a Android app to keep you aware of new QSLs on LoTW.

SOTA CSV to ADIF Converter

A webpage to show the LotW QSO and QSL info

Convert ADIF files to CSV using Python

Log QSO for Ham radio

OpenAPI spec and Golang bindings for the Logbook of the World QSL API

ADIF MCP server — AI-agent access to Amateur Radio logging per ADIF 3.1.6

DX Cluster API (written in Go) for Wavelog and Cloudlog

Quickly upload WSJT-X default log to LoTW TQSL

WSJT-X / JTDX log recovery and ADIF splitting utility for LoTW

use Go to call tqsllib.dll func

Upload FT8 QSO log data to AARL LoTW server.

MCP server for ARRL Logbook of The World — QSO query, QSL status, DXCC credit