ProtoMon Lite is a handy program that will keep a close and constant monitor over your system and servers.
    With support to network protocols like: ICMP, HTTP, FTP, POP3, IMAP, SMTP, Telnet, SFTP, and Custom TCP connections; this handy program is a perfect system and server monitor software. This free-to-use program provides you a complete solution to keep a constant monitor over your system and network servers. The vigilant program can monitor system information of any remote Windows computer; it watches the CPU and memory usage, registry and services, files and processes, and so on. It also keeps a close eye continuously monitoring the server availability and its performance at specified time intervals. It can launch any console application or batch script, grab its output, and check it using the powerful boolean expression filters, and much more.
    ProtoMon Lite keeps server monitoring statistics, thus you can see it both in text and diagram forms.