GroupServer is a Web-based mailing list manager designed for large sites. It provides email interaction like a traditional mailing list manager but also supports reading, searching, and posting of messages and files via the Web. Users have forum-style profiles, and can manage their email addresses and other settings using the same Web interface. It has supports features such as Atom feeds, a basic CMS, statistics, multiple verified addresses per user, and bounce detection, and is able to be heavily customized.
SilkPage is an XML-based Web publishing framework that has evolved from the Docbook Website. With strong foundations in XML, it is a publishing framework with a focus on Web standards and usability. It is particularly suited for publishing personal websites, though it is by no means limited to them.
PigeonReader is the Web mail client of the PigeonAir project, a solution for easily building clustered, scalable, and modular email services. PigeonReader is completely UTF-8 compliant, allowing any charset to be used. It is based on XML, which allows skins and themes to be easily written using the XSLT language. It was written to be easily used in a cluster of Web servers, where multiple and different domains are to be managed transparently to the end user, possibly with different skins, features, and configurations.
PigeonAdmin is the mail administration interface of the PigeonAir project, a solution for easily building clustered, scalable, and modular email services. PigeonAdmin allows many virtual domains of the mail server to be easily managed using a simple Web interface. It allows every domain to have a different configuration than any other. It also allows domain administrators to choose which configurations to force on their own users or which parameters the users will be able to configure and modify by themselves.
Silva is a CMS for organizations that manage multiple or complex Web sites. Content is stored in clean XML, independent of layout and presentation. Features include versioning, a workflow system, an integral visual editor, content reuse, sophisticated access control, multi-site management, extensive import/export facilities, fine-grained templating, and hi-res image storage and manipulation. Silva is built on top of the Zope Web application platform.