| JavaSystemInfoPortlet | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. | code | html |
| ServerInfoPortlet | Calculates various information about the server to display in the server info portlet view (on of several JSPs depending on the portlet state). | code | html |
| ShrinkingMap | A Map that can remove items as they are accessed, which makes it easier to show a list of the remaining items. | code | html |