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.
BIE (Business Integration Engine) is an open source integration system that makes it easy for organizations to exchange data with external trading partners regardless of their native applications. It competes in the same space as applications like Microsoft BizTalk except that it is truly cross-platform since it written in Java.