The best replacement for wunderlist is evernote.

The best alternatives to wunderlist are rated as following:
★★★★★  evernote
★★★★  things
★★★★  any.do
★★★  asana
★★★  todoist
★★★  omnifocus
★★★  remember the milk
★★★  reminders
★★  google keep
★★  nozbe
★★  clear
★  trello
★  toodledo
★  astrid
★  producteev
★  springpad
★  flow
★  2do
★  google tasks
★  workflowy
★  wunderkit
  rtm
  orchestra
  iprocrastinate

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

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



Google Trends

Scale is based on the average worldwide traffic of wunderlist in all years. Click on graph for more.
wunderlist
evernote
things