Pacific Northwest National Laboratory (PNNL) has developed many useful and handy software tools especially for proteomic data analysis. DanteR is one among them which uses R programming environment. It is user-friendly with graphic-user-interface and helpful to do many of the common tasks such as normalization, Annova, clustering to name a few. It is easy to install and intuitive. The best part is if you are a programmer, you can add your programs to it using the add-on feature. You can download DanteR from here.