Ojax provides an OAI-PMH harvester to harvest metadata from multiple repositories and builds a single searchable Lucene index of this data. OJAX provides a dynamic user experience enabled by Ajax and full OpenSearch integration with the IE 7 and FireFox 2 search fields. It supports OpenSearch Discovery, OpenSearch Atom results, and OpenSearch Search Suggestions. Loosely coupled Web Services and OpenSearch Atom standard allow integration with a range of VLEs, CMSs, institutional repositories, and portals.
jRapidRPC is a Java RPC library that allows you to create client-server applications that talk in objects. It is small, fast, and extensible. Its smallness helps you learn how to use the library quickly. jRapidRPC is fast due to its compact size and lack of complexity. Also, it uses the ProtoStuff serializer by default. jRapidRPC's extensibility allows you to can write a new client-server or a new serializer.
Ammentos is a lightweight persistence framework for JDK 5. It does not require any installation nor configuration; just put a jar file into your classpath and start writing code. It is designed so that your persistence code will be dramatically short and so that you won't have to spend a lot of time to learn how to use it. It is about 72Kb large and it does not require any external library except for your database JDBC driver. You can use it in desktop applications or in server-based environments.
Flex Maven Reports includes various Maven reports for projects written with the Adobe Flex Framework. The current reports are the RemoteObject Maven Report, which show details about remote objects used in an application and generates a graphical view of them, and the Actionscript UML report, which shows UML diagrams of the classes.
Rythm Template Engine is a general-purpose, high-performance Java template engine which uses a Razor-like syntax. It is 2-to-3 times faster than Velocity. It supports variables, expression evaluation, control flow (if-else-if), looping, template inheritance(decoration/layout), and many features. There is a Play!Framework plugin based on Rythm. You can use Rythm in any place to generate any type of text file, including HTML, XML, Json, SQL, and any kind of source code.