Ranked in these QuestionsQuestion Ranking
Pro Open source
Not only does this provides complete transparency to the user, it also enables a large base of developers to work simultaneously on solving any arising the issues and improving the platform.
Pro Remarkable level of security
Plone has been around for almost two decates and to date less than 50 vulnerabilities were discovered in the platform. That's at least ten times less than any of the popular alternatives, including Wordpress, Drupal, and Joomla. In fact, government agencies, such as NASA and FBI use Plone for its high level of security.
Pro Can run on virtually anything
Plone runs on Windows, Mac, Linux, Chromebooks, RaspberryPi, servers, and cloud services.
Pro Multilingual UI and documentation
Plone platform along with all documentation is available in more than 40 languages, including Chinese, Japanese, Greek, Arabic, and Hebrew.