We are very dynamic software shop and use a lot of different technologies. If you have preferences over what we should use, we will most of the time adopt them, however we will always suggest better or newer if there is available. So it goes both ways.
This is really exciting open source application framework. We love it and used it in several internal projects as well as client projects.
Major open source platform that powers internet behemots like Yahoo. We love it and enjoy making applications with it. One of great advantages of PHP over any other platform is availability of lot of resources, cheap hosting, again cheap hosting and a lot of choices that goes with it. This is also a platform that power major blogging tools and shopping carts which we often use and customize. MySQL is preferred database with PHP, lately NOSQL DB's go really well with it.
We love Code Igniter and Fuel for our PHP work. Cake is also nice.
Very dynamic area to be developer in, whether it is front-end onepage app using something like Backbone or Batman, or backend server using Node, yes we can do it! Exciting times!
Famous open source database that is fast and reliable. It doesn't have the features of MS SQL Server, but then it does not cost that much either. Perfect for internet sites and applications.
This is paper and pencil technology but greatly improves everything else that we are doing.