Yes, you can download applications that have a download link available. Most of the applications are free to use but a part of them are in DEMO or trial. This means that you will actually need to buy them if you want to enjoy their full features. Visit the main website and click on the main categories to browse applications or use the search form available on the upper section of the website.
To download an application, go to the its page on Software Informer and click on the big green download button. Wait a few seconds and the download will start if there is a direct download URL.