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CodeCanyon - Advanced BOT Detection & Notification - PHP Script | 3,02 MB
Yes - It detects web crawlers/bots. Right now it supports 175 bots. You can extend the list anytime :) It is very flexible!
Advanced Bot Detection & Notifier - Notifies you via email whenever particular bot visits - You can set particular both to target notification
DEMO:
http://codecanyon.net/item/advanced-bot-detection-notification/445316