A billing system is a combination of software and hardware that receives call detail and service usage information, groups this information for specific accounts or customers, produces invoices, creates reports for management, and records (posts) payments made to customer accounts.
E-commerce (EC), an abbreviation for electronic commerce, is the buying and selling of goods and services, or the transmitting of funds or data, over an electronic network, primarily the internet.
There are two broad divisions of web development – front-end development (also called client-side development) and back-end development (also called server-side development).
Mobile Application Development
Mobile app development is the act or process by which a mobile app is developed for mobile devices, such as personal digital assistants, enterprise digital assistants or mobile phones.
UI design tools.
SDKs to access device features.
Web application development will typically have a short development life-cycle lead by a small development team. Front-end development for web applications is accomplished through client-side programming.
Word Press is a free and open-source content management system (CMS) based on PHP & MySQL.Features include a plugin architecture and a template system. It is most associated with blogging but supports other types of web content including more traditional mailing lists and forums, media galleries, and online stores.