Alfresco is an open source enterprise website content management system, which provides functions such as document management, multi-person collaboration, record management, webpage content knowledge management and picture management. It uses the latest java technologies such as Spring, Hibernate, Lucene and JSF to build a modular system architecture.

Alfresco official website:/

Blandware AtLeap is a multilingual free Java content management system, which includes a full-text search engine and can be regarded as a website framework, allowing you to write applications conveniently.

Atleap mons.org/ official website

Apache LenyaOpenEdit is an open source content management system, which aims to build a multimedia website based on online digital assets. It provides online editing, dynamic layout, spell checking, user manager, file manager, version control and notification tools. At the same time, it contains enterprise-level plug-ins, such as e-commerce, content management, blogs, event schedules, social networking tools and so on.

Openeditofficial website/webbiz/exp/20091002-79842.html