DevExpress
DevExpress (Developer Express) is a software development company based in the United States. It produces coding assistance tools and components for Delphi, C++ Builder and Microsoft Visual Studio developers. The major part of its product line is VCL, .NET WinForms and ASP.NET components that replicate the UI of Microsoft Windows and Microsoft Office applications. DevExpress has won many industry awards for its products.
DlhSoft
DlhSoft is focused on building high quality and innovative solutions using Microsoft .NET and related technologies for customers worldwide. Thier activity includes designing and developing general purpose software applications, components and tools, and customized software solutions upon request.
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.