Perl
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ActivePerl Business and Enterprise Editions feature our precompiled, supported, quality-assured Perl distribution used by millions of developers around the world for easy Perl installation and quality-assured code. When you're using Perl on production servers or mission-critical applications, ActivePerl Business and Enterprise Editions offer significant time savings over open source Perl for installing, managing, and standardizing your Perl . Save time in your development cycles by starting with a precompiled Perl distribution for out-of-the-box installation and standardization across the operating systems you rely on, including Windows, Linux, Mac OSX, Solaris, AIX, and HP-UX.
ActivePerl is Perl for Windows, Mac, Linux, AIX, HP-UX & Solaris | ActiveState
Perl.com
Perl makes writing Twilio telephony applications simple and enjoyable. My previous article, Automating Telephony with Perl and Twilio showed how to use WWW::Twilio::API to make a phone survey using Twilio's text-to-speech synthesizer as well as send an SMS message to a phone number of your choice. To begin, install WWW::Twilio::TwiML and Mojolicious using your favorite method (see the previous article for more ideas).
The Perl Foundation is dedicated to the advancement of the Perl programming language through open discussion, collaboration, design, and code.
The Perl Programming Language - www.perl.org
Perl is a well-established programming language that has been developed through the time and effort of countless free software programmers into an immensely powerful tool that can be used on pratically every operating system in the world. Perl started out as the "Swiss army knife" of computer languages and was used primarily by system administrators, but over time it's grown into an immensely robust language used by web-developers and programmers worldwide. It's also a great way to learn programming techniques and develop your own style of coding. "There's more than one way to do it" is the motto of Perl, but this book aims to take you through them all.
Beginning Perl (free) - www.perl.org