1)   ClikView 2.1
With ClikView, you can VIEW and EDIT almost any file directly without launching the files native application! View and Edit text documents, HTML, a wide range of graphic files, ZIP/Acrhives, programming source code, data files and more.
file viewer, html viewer, image viewer, zip viewer, text viewer, source code viewer, PE, dbf, db, excel,

 2)   GetDiz 4.1
Many downloadable ZIP archives have DIZ and NFO files included within them. GetDiz is a freeware Notepad replacement which can display ASCII art correctly while maintaining an incredible speed, ease of use and small size.
file_id.diz, DIZ, NFO, Text Viewer, Text Editor, ASCII Art, File Viewer, DIZ Viewer, NFO Viewer, DIZ Editor,

 3)   Data Quik 3.0
Data Quik allows you to copy selected fields and records between some of the major Database Files. This Database Copy Utility will Find, Organize, View, Query, Copy, Print, Edit, Design and EMail most DBase, Paradox, Access, Lotus, and Excel Files.
Database, Copier, Database Copier, Database Viewer, Text Viewer, Query Database, DBase, Paradox, Access,