Downloading CQ Callbook 2.61.1113 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The program relates to Internet & Network Tools. The most popular versions among the program users are 2.6 and 2.5.
The actual developer of the program is CQLog Software. Cqcallbk.exe is the common file name to indicate this program's installer. This PC software was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems.
From the developer:
CQ Callbook is a program that makes it easy to find QSL information from web-accessible sources like address and manager databases and country-specific callbooks. You can use the up-to-date listings from DX clusters to monitor and chase DX spots whilst operating your station.
You may want to check out more software, such as Online Callbook for Internet Explorer, CQ WW DX Contest Log or RYLogit, which might be related to CQ Callbook.