Site calculix.virtustan.net aka calculix.kharkov.org
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<a href="https://calculix.de">Calculix main site</a>
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<a href="https://github.com/calculix">Calculix sources in Github</a>
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Some Calculix files <a href="http://files.calculix.kharkov.org">here</a>
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01.11.2025 domain calculixforwin.com is expired. Calculix Launcher (CalculixForWin) <a href="https://sourceforge.net/projects/calculixforwin/">here</a>
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/<a href="http://prool.virtustan.net">Prool</a>