ProtoMon Lite

ProtoMon is a free system and network monitoring tool intended to automatically check your computers and servers, and notify you if any problems.The following protocols are supported: ICMP, HTTP, FTP, POP3, IMAP, SMTP, Telnet, SSH, SFTP and TCP. ProtoMon can monitor system information of any remote computer: CPU and memory usage, registry and services, etc. Also ProtoMon can launch any console applications and check their output.