Nextcloud vs Alfresco: What are the differences?
Nextcloud: A self-hosted productivity platform that keeps you in control. A suite of client-server software for creating and using file hosting services The most deployed self-hosted file share and collaboration platform on the web. Access & collaborate across your devices; Alfresco: Helps teams share, manage and retain content across the extended enterprise with simplicity that end users love and smarts that IT can endorse. Alfresco Platform is an open, modern and secure system that intelligently activates process and content to accelerate the flow of business.
Nextcloud and Alfresco can be primarily classified as "File Storage" tools.