ComPDFKit
ComPDFKit enable developers to integrate PDF Annotations and Format Conversion, Digital Signature, Smart Forms, OCR, Redaction, and more in to their applications on Windows, macOS, iOS, Android, and the web through their PDF SDKs. Their aim is to offer the most comprehensive library to shorten the project development cycle and to continuously improve their SDK products to meet developer's future requirements as they change and projects evolve.
Sofist
Sofist, established in 1994, is a software resource group involved with application design and development, systems study and analysis, software support and consultancy services. Its current areas of expertise include development of commercial, Web-based and client-server based applications using Visual Basic/ASP/ASP.NET/VB.NET/Visual FoxPro frontends and SQL Server/Oracle back-ends.
Perpetuum Software
Perpetuum Software LLC emerged in 2002 to develop professional software components for the .Net Framework. Over the years the company has developed several lines of high-quality .NET and ASP.NET software components compatible with MS Visual Studio .NET, C# Builder, Delphi .NET and other IDEs supporting .NET Framework. The primary focus for Perpetuum Software LLC activity is development of software components intended for data reporting, analysis, and visualization. The company produces and offers both new and time-proven software components. All the components are being constantly perfected in accordance with the newest trends of .NET technology. Such use-proven components as Report Sharp-Shooter, Instrumentation ModelKit, OLAP ModelKit, Chart ModelKit, the .NET ModelKit Suite and other .NET components by Perpetuum Software are well-known on the software market and are used by Fortune 500 companies, governmental and educational institutions, and independent developers in more than 60 countries.