Mix will allow experimental stimuli to be pseudo-randomised, according to constraints supplied by the user in a simple script. Match can match the conditions of factorial experiments. Both utilities have the ability to significantly speed up the development, and even improve the quality and power of your experiments.
The CMU-Cambridge Statistical Language Modeling toolkit is a suite of UNIX software tools to facilitate the construction and testing of statistical language models. The SLM toolkit is meant for large amounts of training data.