slimmed-down version of Fedora 17 as its operating system. KVM Avi Kivity began the development of KVM in mid-2006 at Qumranet, a technology startup company that was acquired by Red Hat in 2008. GNOME Red Hat is the largest contributor to the GNOME desktop environment. It has several employees working full-time on Evolution, the official personal information manager for GNOME. systemd Init system and system/service manager for Linux systems. PulseAudio Network-capable sound server program distributed via the freedesktop.org project. Dogtail Dogtail, an open-source automated graphical user interface (GUI) test framework initially developed by Red Hat, consists of free software released under the GNU General Public License (GPL) and is written in Python. It allows developers to build and test their applications. Red Hat announced the release of Dogtail at the 2006 Red Hat Summit. MRG Red Hat MRG is a clustering product intended for integrated high-performance computing (HPC). The acronym MRG stands for "Messaging Realtime Grid". Red Hat Enterprise MRG replaces the kernel of Red Hat Enterprise Linux RHEL, a Linux distribution developed by Red Hat, in order to provide extra support for real-time computing, together with middleware support for message brokerage and scheduling workload to local or remote virtual machines, grid computing, and cloud computing. , Red Hat works with the Condor High-Throughput Computing System community and also provides support for the software. The Tuna performance-monitoring tool runs in the MRG environment. Opensource.com Red Hat produces the online publication Opensource.com since January 20, 2010. The site highlights ways open-source principles apply in domains other than software development. The site tracks the application of open-source philosophy to business, education, government, law, health, and life. The company originally produced a newsletter called Under the Brim. Wide Open magazine first appeared in March 2004, as a means for Red Hat to share technical content with subscribers on a regular basis. The Under the Brim newsletter and Wide Open magazine merged in November 2004, to become Red Hat Magazine. In January 2010, Red Hat Magazine became Opensource.com. Red Hat Exchange In 2007, Red Hat announced that it had reached an agreement with some free software and open-source (FOSS) companies that allowed it to make a distribution portal called Red Hat Exchange, reselling FOSS software with the original branding intact. However, by 2010, Red Hat had abandoned the Exchange program to focus their efforts more on their Open Source Channel Alliance which began in