<li><a href="http://search.cpan.org/search?dist=MailTools">MailTools</a>
<li><a href="http://search.cpan.org/search?dist=TimeDate">TimeDate</a>
<li><a href="http://search.cpan.org/search?dist=DateManip">DateManip</a>
- <li><a href="http://search.cpan.org/search?dist=Time-Duration">Time-Duration</a>
<li><a href="http://search.cpan.org/search?dist=File-CounterFile">File-CounterFile</a>
<li><a href="http://search.cpan.org/search?dist=FreezeThaw">FreezeThaw</a>
<li><a href="http://search.cpan.org/search?dist=String-Approx">String-Approx</a>