Open source is a development method for software that harnesses the power of distributed peer review and
transparency of process. The promise of open source is better quality, higher reliability, more flexibility,
lower cost, and an end to predatory vendor lock-in.
There are various types of Opensource CMS available. Some popular CMS are :
Joomla, Drupal, WordPress, etc.
JCasp provides extensive customization of these CMS to develop applications which caters to your requirements.
The main advantage to open source is that it allows end users to directly interact with the source,
potentially modifying it to suit their wishes. This encourages constant development and innovation.
The open source CMS usually come with a number of handy plug-ins and widgets that are further customizable.
You can surely find a whole lot of open source CMS, which don't offer the advanced functionalities by default,
though their performance and features can be enhanced greatly, with the use of 3-4additional plug-ins.