This is a simple tool that parses your minecraft server log files and says you who was onlineat the end of the log.
To get the people online at a specific time in your log, back up your original log file and remove all log lines after the specific time.
Requires java 8.
Usage:
(without < and >)Code (Text):java -jar LogOnlinecounter.jar <path_to_file>
Source: http://pastebin.com/NRq4Mh6J
Copyright / License: All Rights Reserved unless otherwise explicitly stated.

LogOnlineCounter v1.0
Put your log file in and the tool gives you the people online at the end of the log.