DBMS supporting graph, document, full-text and geospatial models
Stream Processing and Complex Event Processing Engine
Apache InLong - a one-stop integration framework for massive data
Distributed scheduled job framework
AR-System step and db plugins for Pentaho Data Integration Kettle V5
CrNiCKL (chronicle) is a Java database for time series
Free data acquisition and data visualization cross-platform software
Java-based scientific graphics
A tool for visualization and analysis of logs as sequence diagrams
jchart2d is a real-time charting library written in java.
Live Trace Visualization for Large Software Landscapes
Allows querying Content Management Systems that use the CMIS.
giServer the easy to use and extensible batch and integration server
Open Source Reporting & Data Visualization Platform
Workflow Designer, Hive Editor, Pig Editor, File System Browser
Open source Extract Transform Load engine written in Java
ChronoDB is a data manager for generic time series.