shmem:
The modules which I am using currently are listed below.
HTML::TreeBuilder;
HTML::LinkExtractor;
HTML::Normalize;
HTML::TagParser;
Text::DoubleMetaphone qw( double_metaphone );
Encode;
HTML::Tidy;
Time::HiRes::Value;
Lingua::EN::Fathom;
Lingua::EN::Summarize;
WWW::Mechanize;
Math::BigFloat;