Wordpress is an open-source publishing platform popular with bloggers, and a content management system, known for its simplicity and modifiability. Websites may host their own blogging communities, controlling and moderating content from a single dashboard.
Microsoft's SharePoint is an Intranet solution that enables users to share and manage content, knowledge, and applications to empower teamwork, quickly find information, and collaborate across the organization.
Squarespace is a CMS platform that allows users to create a DIY blog, eCommerce store, and/or portfolio (visual art or music). Some Squarespace website and shop templates are industry or use case-specific, such as menu builders for restaurant sites.