The best replacement for nokogiri is hpricot.

The best alternatives to nokogiri are rated as following:
★★★★★  hpricot
★★★★  libxml
★★★  ox
★★  mechanize
★  beautifulsoup

Your alternative for nokogiri is not listed? Suggest!
Speaking about nokogiri, one probably shouldn't forget about mechanize.

Other search terms related to nokogiri and their ratings are:
★★★★★ mechanize
You have in mind a companion for nokogiri and it is not yet here? Propose!



Google Trends

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nokogiri
hpricot
libxml