o2Store is a Warehouse and Point Of Sale (POS)Managment System written completely in Java and uses MSDE database (free). It makes use of JasperReports to display various reports. This system records information about sales,purchases,inventory,cash etc.
NOTE: iReport/Jaspersoft Studio Support Announcement: As of version 5.5.0, Jaspersoft Studio will be the official design client for JasperReports. iReport will remain as a supported product in maintenance-only mode until December 31, 2015, meaning we will continue to fix critical defects in upcoming releases but no new features will be added to the iReport client. Continue to maintain your existing reports with the new Jaspersoft Studio!
iReport is the most popular visual designer tool for JasperReports Library and JasperReports Server (Business Intelligence). Supports all the most important output formats and virtually any data source.