http://www.yalp.org is the one I use
make a hotkey: /log on /log off so you can toggle the log on and off when you want to parse and when you don't want to parse. After time, your log file becomes fairly large. What I do is change the name to EQLog_Derrict_Archive01 or whatever number I'm up to now (04). The original log is named "EQLog_YourName_YourServerNumber" [ EQLog_Derrict_41 since I'm on The Nameless Server ]