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1.HikariCP3,962 usages

com.zaxxer » HikariCP Apache

HikariCP is a 'zero-overhead' production ready JDBC connection pool.
Last Release on Jun 15, 2026

2.Commons Pool22,707 usages

org.apache.commons » commons-pool2 Apache

Commons Pool2
Last Release on Jan 2, 2026

3.Apache Commons DBCP1,242 usages

org.apache.commons » commons-dbcp2 Apache

Apache Commons DBCP software implements Database Connection Pooling
Last Release on Dec 16, 2025

4.Druid1,642 usages

com.alibaba » druid Apache

A JDBC datasource implementation.
Last Release on Mar 10, 2026

5.C3P0734 usages

com.mchange » c3p0 EPL +1

A mature JDBC3+ Connection pooling library
Last Release on Sep 5, 2026

6.Tomcat JDBC576 usages

org.apache.tomcat » tomcat-jdbc Apache

Tomcat JDBC Pool Package
Last Release on Oct 6, 2026

7.UCP80 usages

com.oracle.database.jdbc » ucp

Oracle Universal Connection Pool (UCP) compiled with JDK8
Last Release on Oct 30, 2026

8.Vibur Database Connections Pool36 usages

org.vibur » vibur-dbcp Apache

Concurrent, fast, and fully-featured JDBC connection pool, which provides a non-starvation guarantee for application threads, slow SQL queries detection and logging, and Hibernate integration, among other features.
Last Release on Jan 9, 2025

9.Ucp1118 usages

com.oracle.database.jdbc » ucp11

Oracle Universal Connection Pool (UCP) compiled with JDK11
Last Release on Oct 30, 2026

10.Stormpot15 usages

com.github.chrisvest » stormpot Apache

A fast object pool library.
Last Release on Oct 20, 2026