Syncro Soft
Syncro Soft is a privately held software company founded in 1998 with a large area of expertise in XML technologies: XML Schema, Relax NG, Schematron, XSLT, XPath and XQuery. The main product Oxygen XML Editor provides the best coverage of the today XML technologies; it complies with the established standards released by W3C and other organizations and enhances developer productivity through an intuitive and innovative XML IDE. Syncro Soft is a member of the W3C. Another product developed by Syncro Soft is Syncro SVN Client (a Subversion client).
5nine Software
5nine Software is a leading virtualization management and security company, offering agentless security solutions for Microsoft Hyper-V. Their powerful, yet easy-to-use products help over 25,000 organizations worldwide safeguard their investments in virtual infrastructures by providing innovative management and security software designed to reduce costs, increase productivity and mitigate risks. 5nine deliver innovative and practical solutions to help IT professionals more effectively plan, create and manage their virtual infrastructures. 5nine Software is headquartered in Boston, Massachusetts with offices in New Jersey and Europe.
Xamarin
Xamarin was founded in May of 2011 in Boston, Massachusetts. Their mission is to produce the best software development tools in the world, and to make it fast, easy and fun to build great mobile applications. Xamarin is composed of more than 20 members of the team that built Mono, with ten years of experience working together to create a great developer platform.