1)   MrBills 2.0.05
Easily scan, categorize, and store your bills, statements, invoices, receipts, and other documents electronically on your Windows 98, ME, NT, 2000, or XP PC using your TWAIN compatible scanner.
document management, scan, scanning, twain, invoices, bills, statements, tiff, paperport, paper port,

 2)   Paper Valet 2.1.09
Easily scan, categorize, store, and retrieve your bills, statements, invoices, receipts, and other documents digitally on your Windows 98, ME, NT, 2000, or XP PC using your TWAIN or WIA compatible scanner.
document management, scan, scanning, twain, invoices, bills, statements, tiff, paperport, paper port,

 3)   Atlast! File Notes Organizer 3.5
The one stop solution for writing notes against any files on disk, removable media and over networks. The enhanced Windows Explorer like design, features a built-in viewer, file filter, bookmark, annotation and video clip tools.
file notes, file viewer, file manager, file manager software, filing system, windows explorer replacement, document manager, paperport, download manager, disk catalog,

 4)   42Tags 1.2.0.124
42Tags is an easy to use document imaging software for scanning and managing your documents and files by using tags. Features: scan (TWAIN scanner), tag, search, attach, multi-page handling, PDF, ADF and auto-completions. Going paperless is now easy.
scanner, document imaging, paperless, document management, tag, scan, paperless office, twain, pdf, multipage,