Open Source Plugins
Maybe you have built a great community or website around using an open source package but yet you need an extra bit of functionality. The offering of plugins is a great way to build a complex web application with no coding.
Wordpress custom plugins
Wordpress is probably the most used open source web software out there, powering some of the largest blogs and news sites out there. But of course it may not do everything you need. For example, I recently needed to have users register for an event but on a very simple level and I couldn’t find a plugin that met my needs and hence the registration plugin that soon will be featured on this website was born
Drupal is a massive piece of software that powers many of the larger communities online. Being large doesn’t mean it does everything that a person requires and may not display information in a format that you require. The architecture of drupal allows for easy custom development.
One of the most used content management systems around may require some custom development as many people have found out and that’s where JustNI can develop a plug-in to meet your need.
Something else your looking for? if its built for the web I can take a look at it and see if you expectations match what the language and platform can allow.
One of the most used E-commerce platforms in the world is also one of the most configured open source platforms as every one selling on-line is unique in the set-up they want or have online.