Adobe Reader (free): view/print PDF, copy
text from PDF to word processor; includes web-browser
plugin
Acrobat (formerly known as Acrobat Exchange):
Reader plus editing and annotation features, web-capture,
scan-and-OCR tool, and ability to save, sign, and
secure
Acrobat Distiller: high-quality printer and
PS-to-PDF converter; indispensable component of PDFmaker;
includes the AdobePS printer driver
PDFmaker: macros for Word and Powerpoint
to create PDF while preserving document structure
and other features
Acrobat Catalog: creates indices for the
search tool
PDFwriter: simple printer to make PDF from
any application (in Acrobat 5 only installed with
Custom Install, no longer part of Acrobat 6)
Paper Capture: plugin for Optical
Character Recognition (OCR) within Acrobat; limited
version of Acrobat Capture.