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Open Source Litmus Alternatives

The best open source alternative to Litmus is OpenEMM. If that doesn't work for you, our users have ranked more than 10 alternatives to Litmus, but unfortunately only one of them is open source. If you can't find an alternative you can try to remove all filters.

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  • Online

Litmus shows you exactly how your designs look on every platform, across every popular web browser. (And the not-so-popular...

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  1. OpenEMM icon


    • Windows
    • Linux
    120 alternatives to OpenEMM 

    OpenEMM is a feature-rich industrial-strength enterprise software for e-mail marketing

     Suggest and vote on features
Showing 1 of 1 alternatives