ownCloud vs Alfresco: What are the differences?
What is ownCloud? Open source self-hosted web apps with sync clients and sharing. It is an open source, self-hosted file sync and share app platform. Access & sync your files, contacts, calendars & bookmarks across your devices. You decide what happens with your data, where it is and who can access it.
What is 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.
ownCloud and Alfresco belong to "File Storage" category of the tech stack.