This page contain download links for all the version of constant contact WordPress plugin.
Change Log
Version 1.0
First version.
Version 2.0
Tested Up To 3.3 Short code option available(Now we can add this plug-in into posts/page using this short code) JS file included as per wordpress standard
Version 3.0
Tested up to 3.4
Version 4.0
Tested up to 3.4.1
New demo link.
Version 5.0
Tested up to 3.4.2
Slight change in the short code, Please find the new short code for your form.
Version 5.1
Tested up to 3.5
Version 6.0
Tested up to 3.6
Version 6.1
1. Tested up to 3.8
2. Now this plugin supports localization (or internationalization). i.e. option to translate into other languages. Plugin *.po file (constant-contact.po) available in the languages folder.
Version 6.3
1. Tested up to 4.0
2. Form submit files has been changed from this version.
Version 6.4
Tested up to 4.1
Version 6.5
Tested up to 4.2.2
Version 6.6
Tested up to 4.3
Version 6.7
1. Tested up to 4.3.1
2. Polish language file added in the language directory.
3. Text Domain slug has been added for Language Packs.
Version 7.2
Tested up to 4.6
Version 7.3
Tested up to 4.7
Live demo
http://www.gopiplus.com/work/2010/07/18/constant-contact/
Video tutorial
http://www.gopiplus.org/work/2011/06/23/constant-contact-wordpress-plugin-widget-tutorial/