Logwatch - Logwatch is a customizable log analysis system.
Snarl - Snarl is a notification system for Windows.
BareTail - BareTail is a real-time log file monitoring tool. Features Real-time file viewing
Notifu - Notifu, a free open source pop-up balloon utility
TAI .NET - .NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4.
Notify OSD - Canonicals on-screen-display notification agent, implementing the freedesktop.