Cubusmail is an Ajax based IMAP mail client which has a desktop application like user interface. It provides functions like MIME support, address book, folder manipulation, drag & drop and message searching.
Cubusmail is written in Java and applies the Google Web Toolkit (GWT). It requires no external database. The data is stored by H2. Other databases like MySQL will be supported later.
Advanced user interface Full support for HTML messages Drag & Drop Compose messages with attachments IMAP folder management English and German language supported Multiple sender identities Basic address book HTML message composing Forwarding messages with attachments Support for external SMTP server Multiple themes Please read the INSTALL.txt file for instructions. You can try out the demo.