The best replacement for meego is symbian.

The best alternatives to meego are rated as following:
★★★★★  symbian
★★★★★  maemo
★★★  tizen
★★★  jolicloud
★★  sailfish
★★  moblin
  wp7
  webos
  symbian 3

Your alternative for meego is not listed? Suggest!
Speaking about meego, one probably shouldn't forget about n900.

Other search terms related to meego and their ratings are:
★★★★★ n900
★★★★ nokia n8
★★★ n8
★★ n9
★★ maemo
You have in mind a companion for meego and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of meego in all years. Click on graph for more.
meego
symbian
maemo