GroupDocs
GroupDocs creates easy to use, comprehensive online document management APIs for .NET, Java and Cloud, as well as a range of Cloud apps that improve document collaboration for organizations of any size. GroupDocs saves developers and end users time and money by offering a complete and powerful set of document management APIs allowing users to view, sign, annotate, compare, convert and assemble documents in a wide variety of formats, including Microsoft Word, Excel, PowerPoint and Visio, as well as Adobe Acrobat PDF and many image formats. Flexible workflows and easy-to-use, customizable user interfaces are part of the package.
Software FX
Software FX, Inc. was founded in September of 1993 as a component vendor for the emerging visual development community, which capitalized on the increasing demand for reusable objects. At Software FX, quality customer service and highly useful products are their main goals.
xml-buddy.com
Clemens Uhlenhut trading as xml-buddy.com was established in 2010 to develop and market software for XML and JSON. Their tools are being constantly improved based on customer feedback and in-house implementations. They use mature, open-source libraries to keep their tools compliant to XML and JSON standards and compatible with existing workflows.