Vibur DBCP is a concurrent, fast, and fully-featured JDBC connection pool based on Java dynamic proxies. It supports a fairness parameter, statement caching, Hibernate integration, and SQL queries logging, among other features. Various configuration examples (with Spring, Hibernate, etc.) are provided.
BoneCP is a Java JDBC connection pool implementation that is tuned for high performance by minimizing lock contention to give greater throughput for your applications. It currently beats all known connection pools, including C3P0 and DBCP, as shown on the benchmark section on the site.
Scalaffinity is a library providing core functionality for any social networking Web site based on ratings and recommendations. In other words, it is a generic collective intelligence library. Examples of such sites are Anobii, Rate Your Music, and Filmaffinity. It is designed to act as an out-of-the-box model for such Web applications. Nevertheless, Scalaffinity is fully customizable, extensible, and scalable. It incorporates lessons learned while reading "Collective Intelligence in Action" by Satnam Alag.
WaveMaker is a RAD development tool for Web and cloud apps, with more than double the monthly downloads of any other RAD tool. Its visual, drag, and drop tools flatten the Java learning curve by 92%, enabling any developer to build enterprise Web applications that deploy to a standard Java platform. The WYSIWYG studio creates standard Java applications with 98% less code, boosting developer productivity and quality without compromising flexibility. Applications are cloud-ready and include built-in support for multi-tenancy and elastic scaling.
Apache OpenMeetings is a multi-language customizable video-conferencing and collaboration system. It supports audio/video and allows you to see the desktop of any participant. It includes a whiteboard, the ability to import a variety of image formats, invitations, a moderation system, backup and language modules, private and public conference rooms, and the ability to record meetings. The project also provides integrations for Asterisk, Jira, Confluence, Moodle, Sakai, and SugarCRM, and connectors for LDAP and ADS.
eHour is a Web-based time registration tool for project-based businesses. The primary objective is to keep time tracking as simple as needed while still being very effective at measuring and reporting the amount of time your team spends on a project. eHour is available as a standalone version or a WAR file, which you can deploy in your existing environment. eHour is JVM (Java & Scala) based.