The best replacement for texshop is texworks.

The best alternatives to texshop are rated as following:
★★★★★  texworks
★★★  texmaker
★★★  lyx
★★  mactex
★★  texpad
★  texstudio
★  latexian
  itexmac
  aquamacs

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

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



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