Name the bots (spider) of major search engine?

You just need to be more clear on your question.

Good bots of major search engine are:
Googlebot
Baidu Spider
MSN Bot/BingBot
Yandex Bot
Soso Spider
ExaBot
Sogou Spider
Google Plus Share
Facebook External Hit
Google Feedfetcher

commented: Very late reply. Leave old posts where they are. -3