Company Eve Systems GmbH created these great apps:
EyeTV, Turbo.264 HD Video Converter, Tivizen, EyeTV Mobile, EyeTV Netstream, EyeTV Sat>IP, Elgato Smart Key, EyeTV W, Elgato Smart Power, Elgato Avea, Eve for Matter & HomeKit, Elgato Eve for iOS 9, Elgato Eve for iOS 10, Eve - Legacy Version, and others..