A mature JDBC3+ Connection pooling library

Spring JDBC provides an abstraction layer that simplifies code to use JDBC and the parsing of database-vendor specific error codes.

HikariCP is a 'zero-overhead' production ready JDBC connection pool.

Quartz is a job scheduling library that can be embedded in java applications with support for transactions, persistence, clustering and plugins.

Pure Clojure/Script logging library

Confluence Core

The `hibernate-c3p0` module has been relocated to the `org.hibernate.orm` group

Apache Tika Parser Modules

An OSGi bundle that provides a service that allows plugins to persist objects using the ActiveObjects framework

XWiki Platform - Old Core

Mybatis Pagination Plugin