Short description of TheOne SysLog Sender Free Edition 2.5.0: Syslog Sender Free Edition is a free syslog tool. It can simulate networking device such as router, firewall and servers to send TCP and UDP syslog message to syslog server. You can use this free tool to evaluate the performance of your syslog server. SysLog Sender is based on internet standard protocol, which is specified by RFC 3164 and RFC 3195.