Apache Superset is a data visualization and data exploration platform
Enterprise-strength marketing and product analytics platform
Running JasperReports from command line
Bovespa Analytics
osDQ dedicated to create apache spark based data pipeline using JSON
Generating documents and reports, offline enabled and reliable.
Excellent Decision Table based Rules Engine implementation in Java
Open Source Reporting & Data Visualization Platform
Open Java API for OLAP
Open source Search Engine and Enterprise Search