PDFlib
PDFlib GmbH is completely focused on PDF technology. Customers worldwide use PDFlib products since 1997. The company closely follows development and market trends, such as ISO standards for PDF. PDFlib GmbH products are distributed in more than 100 countries all over the world with major markets in North America, Europe, and Japan.
EC Software
EC Software was originally founded in 1993 and went a long way from the initial small one-man shop for point-of-sale software to the documentation tools specialist that it is today. With the first release of Help and Manual in 1997 the company changed its business focus to documentation software and developer tools. Today, Help and Manual is one of the best selling and most popular help authoring tools world-wide.
SamLogic
SamLogic Software is one of Sweden's leading providers of software development tools for the Windows operating system. They develop software for application / document installation, CD/DVD menu interface creation and component libraries for Microsoft Visual Studio, or compatible IDEs.
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.