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.
Stimulsoft
Stimulsoft specializes in the development of components for the Microsoft .NET Framework. Customer satisfaction is the company's first priority and as such it aims to produce top quality software. Application development is not always easy, but Stimulsoft does its best to help developers to incorporate the most advanced technologies available on the market today into their applications.
Iron Software
Iron Software produces quality software component products for C# / VB.Net. Iron’s philosophy puts developers at the heart of every piece of software released. Ease of installation and ease of use are their highest priorities, backed up by customer support directly from the development team. Iron are committed to building only the best examples of software in each niche with every release. Iron concentrate on 2 core product categories: Linguistic and language document software such as PDF and OCR, and Search technologies such as Iron WebScraper.