WordPress FAQ is a cool plugin for creating your FAQ section . It has a lot of parameters to set, and it will allow you set your own theme from scratch. It has a user-friendly front-end and back-end interface, allowing you to set all parameters quickly and easily. FAQs have SEO-friendly URLs.
Joomla contact form builder extension is a complicated tool for making submission forms for your Joomla website. It permits you to specify parameters like colors and fonts. It can use a Google map when given an address or geographical coordinates (longitude and latitude), and the user can drag the marker to the required location.
DVelum is a professional development platform which aims at automating routine development tasks and facilitates programming by means of a graphical interface. The platform simplifies and accelerates the development process and allows for concentrating directly on the business logic, aside from low-level problems. This is not another CMS or framework, it is a platform for the development of systems with a complex internal structure, such as eCommerce, CRM, WebScada, etc., while the development of simple sites with its help is as easy and pleasant.