LIXA, LIbre XA, is a free and open source XA transaction manager
RegTech / SupTech : Java EE , BI, PM & Report Designer
Project Portfolio Management
Database SQL, query tool, using JDBC for Oracle,SQLite,PostgreSQL,etc
Hippo CMS is a Java based, Open Source Web Content Management platform
The System Manager Project
Content Manager Tool - Herramienta Administración de Contenido
A Java Downloader
AlertOnFailure was inspired by XYmon, a Big Brother Compatible Monitor