WINQSL was first time released as a paper QSL-manager-listing in 1982. In 1995 the first release of WINQSL-software was published.
WINQSL 2021 is available for download here. Latest program-version was uploaded june 06,2021
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The latest database-update was uploaded at july 21.
If you have WINQSL2021 already installed, just press the update-check-button and the system will detect for new database-version.
A short PDF-documentation can be found here