WinLogTail is a freeware log viewer, monitor and analyzer.
Features:
fast open and browse log files, regardless of file size
monitor log file for changes live - as new log lines are appended, they
are instantly visible in WinLogTail
"rules" for highlighting, searching and alerting
rules use either regular expressions or simplified order-insensitive
logical patterns
highliting: specify font style, foreground and background color for any
log line according to its content (for example, red color for lines with
word "error")
searching: output certain lines to "filtered view" (also updated
live)
alerting: you can send WinLogTail to background, and it will flash
window or play sound as soon as specific line is appended to the log file
context scrolling: click a line in filtered view, and the main view will
scroll to the relevant position
can define multiple rules at once, modify, delete, rearrange, deactivate
etc
import and export rules
command-line options to quickly select file, rules and operation mode
copy to clipboard or export to file - in plain text, RTF or HTML formats
small executable file with no installation and external dependencies