Answer

1. http://www.GitHub.com.com/
2. http://www.processmaker.com/
   
3. http://www.proworkflow.com/
   

Answer
Web applications are categorized as:

• Informational
• Interactive
• Transactional
• Workflow oriented
• Collaborative work environments
• Online communities,marketplaces
  

Answer
Many new Web technologies and standards have emerged

• XML,
  
• Web services,
  
• the Semantic Web,
  
• Web personalisation techniques,
  
• Web mining,
  
• Web intelligence, and
  
• mobile and context aware services.

Answer
Brought some of the following disciplines:

1. Media
   
2. information science
   
3. information and communication technology
   
4. using a variety of devices such as desktop and notebook computers, pocket PCs, personal digital assistants (PDAs), and mobile phones
   

Answer
Web engineering is a discipline that uses scientific, engineering, management principles and systematic approaches to successfully develop, deploy, and maintain high-quality Web systems and applications.

Its aims is to bring Web-based system development under control, minimize risks and improve quality, maintainability, and scalability of Web applications