We are happy to announce the software package PyEMMA 2 for estimation, validation and analysis of Markov models and other kinetic models from molecular dynamics simulations. Download instructions, online docs and tutorials are found here: http://pyemma.org The paper just appeared in JCTC: http://pubs.acs.org/doi/abs/10.1021/acs.jctc.5b00743 The source code (LGPL) is hosted here. Contributions are more than welcome: https://github.com/markovmodel/pyemma To join or leave the molecular-dynamics-news email list, go to: http://www.jiscmail.ac.uk/lists/molecular-dynamics-news.html