JDK main-line development https://openjdk.org/projects/jdk

Apache Tomcat

Apache Hive

Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

The easiest way to integrate Maven into your project!

Logic-less and semantic Mustache templates with Java

a mature, highly concurrent JDBC Connection pooling library, with support for caching and reuse of PreparedStatements.

Terminal-based progress bar for Java / JVM

A Java implementation of the Mustache templating language.

The Open Source Java EE Reference Implementation

Eclipse Groovy Development Tools

SiteMesh 3: Official repository

Example of Embedded Jetty with JSP support

DigitalOcean Spaces Integration with Spring boot using AWS S3 java SDK

Example apps using mp3agic library

javaee-jsp-api

Shared library for the BotMill framework.

Minimalistic scaffolding for a small portable web app. Spring WebMVC + Undertow.