Image Colorizer - Colorize black and white images automatically
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
PhotoGlory - Restore old photos and colorize B&W with one click
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
AI Picture Restoration - Free way to remove scratches, sharpen colors, and fix photos
Wondershare PDFelement - All-in-one PDF editor