Open Source PHP Framework (originally from EllisLab)
Codeigniter Matches is a PHP CLI script that allows you to write controllers, models and views faster.
CodeIgniter mail plugin powered by PHPMailer library
Another Codeigniter CMS, With some Love
Template library for CodeIgniter which supports modules, themes, partial views, etc.
Need a simple CodeIgniter library to send Slack notifications, but can only find bulky libraries with functionality that you'll never use? This is the library for you. You can set this library up in no time, and start sending notifications to your Slack channels right away.
Swoole Adapter For Codeigniter Framework
Class Nexmo Message handles the methods and properties of sending an SMS message.
CI Markdown is a CodeIgniter library for parsing Markdown to HTML.