Pentaho - Pentaho is a Business Intelligence software company that offers Pentaho Business Analytics, a suite...
wxWidgets - wxWidgets: Cross-Platform GUI Library
JasperReports - JasperReports Server is a stand-alone and embeddable reporting server.
Electron - Build cross platform desktop apps with web technologies
Tableau - Tableau can help anyone see and understand their data. Connect to almost any database, drag and drop to create visualizations, and share with a click.
GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.