Are there any technology or tools in which I can do ;

* software requirement documentation
* software design documentation
* software test documentation
* uml feature ( use case , flow chart, sequence diagram etc. )

EDIT : I want a tools like Eclipse. To be more precise,

I can start many project via using same tool/technology.

ex :

     [-] project1
         [-] requirement
         [-] design
         [-] test

     [-} project2
         [-] requirement
         [-] design
         [-] test

I can use uml properties in the same tool/technology. After right clicking on the document or as a separate toolbar, it is seen.

   add ;Uml diagram        create use case
                           create class diagram
                           create sequence diagram
                           create flow chart
                           etc.