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.
WPCubed
WPCubed GmbH is a privately owned company based in Munich, Germany. WPCubed have been providing development tools since 1996. Their flagship product is WPTools, a well known and successful word-processing component suite. Their PDF products, which have been available since 2000, are also used by thousands of developers worldwide. Although mainly supporting Delphi and C++Builder, WPCubed are expanding to other platforms to give more developers access to their powerful tools. The recently introduced PDFControl and RTF2PDF DLL's, allow access to PDF technology for almost any developer.
jsPlumb
jsPlumb is dedicated to building high quality, modern and intuitive tools for today’s web. Since 2009 jsPlumb has been powering webapps with visual connectivity, enabling business of all sizes, from Fortune 500 to freelancers, to quickly and easily realise their vision.