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In short, JJazzLab is free with no ads and no limitations. But development is a huge work and costs money. I can’t continue without your help.


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One-time or monthly payment. Safe and easy, all credit cards accepted.

Monthly payment. Safe and easy, all credit cards accepted. The good thing about GitHub Sponsors (owned by Microsoft) is that they take 0% commission for open-source projects.

Top 3 Contributors

  • John Pr. (100€!)
  • Can Chiu Ng. (50€)
  • Yves Pi. (50€)