You can check live demos of some products we provide on a Live Demo site and even play with settings inside Administrator Panel through our Playground site. It gives you a full understanding of how such products are designed and working. There is no necessity for trial versions. Some of the products doesn't have live demos due to its specific - e.g. payment plugins. There is an extensive documentation, well-guided tutorials and videos to help you get started quickly. This information allow you to observe the functionalities of extensions and products we provide.