Complex sentence: Since 2000, some major OCR vendors began offering WebOCR & Online software, a number of new entrants companies seized the opportunity to develop innovative Web-based OCR services, some of which are free of charge.
Split into simpler sentences: Since 2000, some major OCR vendors began offering WebOCR & Online software. A number of new entrants companies seized the opportunity to develop innovative Web-based OCR services, some of which are free of charge.