VueScan, Simple Scan, NAPS2, XSane, PDFill, WinScan2PDF, iCopy Free Photocopier, ScanDrop, SilverFast, SwingSane, ScanToPDF, FreeKapture, Scanitto Pro, Softi Scan to PDF, Softi ScanWiz, AXPDF Scan to PDF Converter, Flegita, MetaDMS Scan Software are some alternatives to Skanlite.