Plone

Plone is an open-source enterprise content management system (CMS) built on the Zope application server and written in Python. It provides robust content management capabilities with strong security features, workflow management, and user permissions out of the box. Plone is known for its enterprise-grade security and accessibility compliance, meeting WCAG and Section 508 standards. The platform supports multilingual content, versioning, and advanced content organization through folders, collections, and taxonomies. Plone offers extensive customization through add-ons and themes, with a large ecosystem of community-developed extensions. It is widely used by government organizations, educational institutions, NGOs, and enterprises requiring secure and compliant content management. Plone's architecture emphasizes stability, security, and standards compliance, making it suitable for mission-critical applications.