White box testing : To do white box testing knowledge of internal logic code is required. Mostly done by developers.

Black box testing: To do black box testing we should know the functionality of application logic code is not required. This testing is done by testers.

Load Runner: This is web testing tool used to test Performance load stress.

QTP : QTP is mercury tool used to test functional and regression testing.It supports .NET applications also.

Silk Test: It is segue tool it is also used for functional and regression testing. Mostly supports java applications.

in white box testing we excercise the internal logic of the software basically programmer do white box testing and in black box testing there is no need to know the internal logic of the system that we are testing and coding experience also

white box: Testing the application with the knowledge of underline code of the application. it is done by developers. but in some organizations it is done by testers. Eg: Unit testing.

Block box: testing the application without knowledge of underline code of the application. it is done by the testers.

WHITE BOX testing done by the developers to test the programming code and it is also called unit testing.

BLOCK TESTING done by the testers to test the functionality of the application it is also called system testing.