AWS IoT Device Defender - Manage the security of your fleet. With AWS IoT Device Defender, you can audit and monitor device configurations. Get started today.
Zimbra - Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
Azure Sphere - Help protect your connected IoT devices, such as MCUs and crossover modules, development kits, and guardian devices, with Azure Sphere.
iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).
Armis - The leading enterprise-class agentless device security platform to address the new threat landscape of unmanaged and IoT devices.
mailcow - An open source mailserver suite.