The best replacement for plone is drupal.

The best alternatives to plone are rated as following:

Your alternative for plone is not listed? Suggest!

Speaking about plone, one probably shouldn't forget about getpaid.

Other search terms related to plone and their ratings are:

★★★★★

getpaid

You have in mind a companion for plone and it is not yet here? Propose!

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

plone

drupal

django