Notifu - Notifu, a free open source pop-up balloon utility
Growl for Windows - Growl for Windows is a Windows-compatible version of https://alternativeto.
Logwatch - Logwatch is a customizable log analysis system.
Notifo - Notifo is a mobile notifications platform empowering developers to build their own services with a...
Notify OSD - Canonicals on-screen-display notification agent, implementing the freedesktop.
TAI .NET - .NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.