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.
Text Control
Text Control is an award-winning vendor of document processing and reporting components for Windows, web, cloud and mobile development technologies.
Qoppa Software
Qoppa Software was founded in 2002 in Atlanta and specializes in the development of high-end libraries and applications to work with PDF documents. It provides solutions to companies all over the world ranging from small businesses to Fortune 500 companies. Being a small, highly focused company allows it to remain flexible to work with customers individually to deliver a solution that fits their unique needs in terms of licensing, implementation and deployment. Additionally, Qoppa Software prides itself in offering high-level, responsive technical support at an expert level, providing access to development staff when necessary.