1)   Bitrix Site Manager 6.0
Bitrix Site Manager is the powerful, secure, full-featured content management solution that enables you to create and manage corporate web sites. The product is supplied with full source code.
web content management system, enterprise content management, portal, AJAX CMS, SEO CMS, e-commerce, workflow system, blogs, e-Learning system, WSIWYG editor,

 2)   Nuxeo EP 5.1.2.GA
Nuxeo EP is an open source Enterprise Content Management (ECM) platform, based on modern Java EE standards and components. It can be used to implement document management, knowledge management, digital assets management or workflow applications.
ECM, CMS, DMS, content management, enterprise content management, document management, collaboration, CSCW, records management, RM,

 3)   Serna Enterprise for Linux 4.1
Serna Enterprise is a powerful and easy-to-use WYSIWYG XML editor for collaborative authoring of structured documents. Full DITA support. C++ and Python API available for extension and integration. Available for Windows, Linux, MacOsX, SunSolaris.
XML editor, DITA editor, Docbook editor, WYSIWYG XML authoring, XML documentation editor, enterprise content management,

 4)   Serna Enterprise for Mac OS X 4.1
Serna Enterprise is a powerful and easy-to-use WYSIWYG XML editor for collaborative authoring of structured documents. Full DITA support. C++ and Python API available for extension and integration. Available for Windows, Linux, MacOsX, SunSolaris.
XML editor, DITA editor, Docbook editor, WYSIWYG XML authoring, XML documentation editor, enterprise content management,

 5)   Serna Enterprise for Windows 4.1
Serna Enterprise is a powerful and easy-to-use WYSIWYG XML editor for collaborative authoring of structured documents. Full DITA support. C++ and Python API available for extension and integration. Available for Windows, Linux, MacOsX, SunSolaris.
XML editor, DITA editor, Docbook editor, WYSIWYG XML authoring, XML documentation editor, enterprise content management,