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Why is Envelopes Open Source?

Security software without source code isn't secure. We wouldn't trust Envelopes without source code, and we don't think you should either.

It's possible to hide malware in open source, but it's a lot harder. When you use security software without source code you make it easy for the bad guys.

Tiger Envelopes comes in two versions, Free and Business. The Business version comes with full source code, but it's not open source.

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