Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

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Mumble is an open source, low-latency, high quality voice chat software https://www.mumble.info

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An easy to install, high-performance, zero maintenance proxy to run an encrypted DNS server.

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Monitorix is a free, open source, lightweight system monitoring tool.

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An evolving how-to guide for securing a Linux server.

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