A powerful server and network library, including coroutine
Toolkit for working with and mapping geospatial data
Pentaho offers comprehensive data integration and analytics platform.
World's first open source data quality & data preparation project
UNIX Performance Monitoring / Trend Analysis Java Software
Data quality analysis, profiling, cleansing, duplicate detection +more
sparse and dense matrix, linear algebra, visualization, big data
palo olap open office calc plugin for data analysis
Open source Extract Transform Load engine written in Java