MIME::Types libmime-types-perl Sending the right MIME types
DBD::Pg libdbd-pg-perl PostgreSQL connection
Image::ExifTool libimage-exiftool-perl Parsing EXIF data
+Digest::SHA1 libdigest-sha1-perl Verifying passwords
+HTML::TagCloud libhtml-tagcloud-perl Tag cloud on /+tags/
jpegtran libjpeg-progs Lossless JPEG rotation
dcraw dcraw NEF support