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.
ONLYOFFICE
ONLYOFFICE offers developers a best-in-class feature rich document editor that can be installed on-premise or private cloud and integrated with your own applications. Give your users the ability to author, edit, share and collaborate on documents online in-browser inside your application without having to use Word, Excel or PowerPoint. Better than another well known Docs editor, ONLYOFFICE offers near 100% document accuracy. Used by some of the largest household names, ONLYOFFICE editors set the bar high with its proprietary mature document editing technology give your customers the quality experience they deserve. Used in LegalTech, HealthTech, InsureTech, DMS and Content Management systems. Integrated with 50 plus popular and open source applications, such as SharePoint, Alfresco, Confluence, NextCloud, Nuxeo and countless others. Co-brandable. Customizable. Amazing.
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.