The Artificial Neural Networks have been used quite successfully in problems of prediction, inference and classification standards. For this reason, are already available several libraries that facilitate the modeling and training networks, such as NNtool Matlab or WEKA. While these libraries are widely used, they have limited mobility, flexibility and performance. This limitation is due mainly to the training that can take a long time when there is a large amount of data with many attributes. This paper proposes the development of a library (ANNCOM) easy to use, flexible platform and architecture that uses the CUDA (Compute Unified Device Architecture) to reduce the training times of the networks. This architecture is a form of GPGPU (GeneralPurpose computing on Graphics Processing Units) and has been used as a solution in parallel computing in the area of high performance, since the technology used in current processors are reaching the limit of speed. Additionally created a graphical tool that helps the development of solutions using the techniques of neural networks easily and clearly using the library developed. For performance evaluation ANNCOM were conducted six trainings for customer classification of a low voltage electricity distribution. The training of networks using ANNCOM with CUDA technology, achieved a performance nearly 30 times greater than the ANNCOM aided by MKL (Math Kernel Library) by Intel, also used by Matlab.