MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
logstash - logstash is a tool for managing events and logs.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.