CodeIgniter is a powerful, yet light weight PHP framework, built for PHP developers who need a simple and fresh framework to create full-featured web applications. CodeIgniter is a good fit,  for developers and managers who lives in the real world, and looking for a simple, lightweights and well documented framework.

CodeIgniter is in the business for the last 5 years, and powering thousands of successful web applications. CodeIgniter Reactor Engineers have released the latest version of CodeIgniter, CodeIgniter2.0, in two flavors-CodeIgniter Core and CodeIgniter Reactor.

CodeIgniter Core

Core is the slow-moving version of CodeIgniter, which moves along with the commercial development platform of Ellislab. Core is used as the basis for Ellislab’s commercial products such as ExpressionEngine, MojoMotor etc. Core is ideal for large commercial applications that require the upmost in stability and backward/forward compatibility.

CodeIgniter Reactor

Reactor is the community driven version of CodeIgniter, which will evolve quickly with faster adoption of the best community contributions. Reactor is the recommended version of CodeIgniter for use in the majority of day to day work. The Reactor version is publicly available under the brand ‘CodeIgniter’. In short, put simply, Reactor = CodeIgniter.