Open source libraries and plugins

We used a number of open source libraries and plugins throughout the book. The following list illustrates all the libraries and plugins used with the respective URLs to get more information:

• Responsive theme by CyberChimps: http://goo.gl/Uf9Mp1
• Members plugin by Justin Tadlock: http://goo.gl/HuhDax
• Rewrite Rules Inspector plugin by Daniel Bachhuber and Automattic: http://goo.gl/oBVJmL
• Twig template engine by SensioLabs: http://goo.gl/geKkRY
• Posts 2 Posts plugin by Alex Ciobica and Scribu: http://goo.gl/8pQGmT
• Pods – Custom Content Types and Fields: http://goo.gl/ixMspf
• Options-Framework by Syamil MJ: http://goo.gl/GhBL4s
• Custom List Table Example plugin by Matt Van Andel: http://goo.gl/3tnfmf
• Backbone.js library: http://goo.gl/VyhEDl
• Underscore.js library: http://goo.gl/aZ42YD
• PHPMailer library: http://goo.gl/VX90ym
• Opauth library: http://goo.gl/SMeFJb