JasperSoft iReport Designer is a legacy desktop report designer that has been officially deprecated and replaced by JasperSoft Studio . Version 5.1.0 is very old (released around 2013). However, if you need this specific version for legacy project maintenance or compatibility with an older JasperReports Server, here is the best way to obtain it.
Jaspersoft (now part of TIBCO) has officially discontinued iReport Designer. It is no longer featured on the main community download page, which pushes users toward Jaspersoft Studio. best download jaspersoft ireport designer 510