Ele tem uma GUI, mas é a única ferramenta "pronta para uso" que conheço com suporte a arquivos multi-log: final para o Win32 .
Recursos:
A few features of Tail:
Watch multiple files in realtime
Detect keyword matches, and highlight occurences
Send mail notifications on keyword matches by SMTP or MAPI
Plugin architecture allows you to write specialised handlers
Can process files of any size on all types of drive (local or networked)