The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
The goal of the Geronimo project is to produce a server runtime framework that pulls together the best Open Source alternatives to create runtimes that meet the needs of developers and system administrators. Our most popular distribution is a fully certified J2EE 1.4 application server runtime.
Apache Derby, an Apache DB subproject, is an open source relational database implemented entirely in Java.
Formerly known as IBM Cloudscape it is now included in Java 6 as Java DB.