In this post few Front end design frameworks are listed that can be used by anyone to give a good responsive look to their applications.
Starting with the very basic ones:
4. D3JS : ( Data Driven Documents )This is one smart framework used mainly for the purpose of data representation and is really helpful for data scientists.
5. ExtJS : This framework is bit complicated but has a huge support for object oriented design. Very good for very large web applications like ERP system.
6. LumX : This is great framework for Material Design and very easy to implement. It is one of the oldest material design framework.
These are just few frameworks and will post about others soon.