Since the late 1990s, a number of software proofing solutions were developed by companies which include EFI, GMG, Creo (now Kodak), Viki Solutions, CGS, Serendipity Software, and others.
A number of software proofing solutions were developed by companies. This was since the late 1990s. These companies include EFI. These companies include GMG. These companies include Creo (now Kodak). These companies include Viki Solutions. These companies include CGS. These companies include Serendipity Software. These companies include others.