Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
CodeIgniter is a powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.
Meteor or MeteorJS is one of the best web frameworks which provides a fundamentally easier approach to develop real-time mobile and web applications. It allows for speedy prototyping and delivers cross-platform (Web, Android, iOS) system.
React makes it easy to build interactive user interfaces. It also makes it easy to compose simplistic views for each element in any application.