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.
RemObjects Software
RemObjects Software concentrates on developing state-of-the-art solutions that form the foundation of your software applications. RemObjects Software is a software development company offering tools and libraries for software developers on a variety of platforms. Their core products are centered around the Microsoft .NET, Apple Xcode and Embarcadero Delphi development platforms, but their central vision is to provide best-of-breed solutions for developers everywhere, and they are constantly looking at additional platforms, in particular for the RemObjects SDK/Data Abstract suite of products.