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.
Edraw
Edraw (Edrawsoft) is a trusted service provider of graphic diagramming software and office component solutions for some of the world's most recognizable brands. Their vision is to focus on providing drawing solutions that enable customers to do their jobs with maximized productivity, little effort, minimal time and at affordable costs.
Web Atoms
Web Atoms (NeuroSpeech Technologies Pvt Ltd) is a software development company based in India. It has contributed various open source projects and has developed tools for mobile development.