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.
Microsoft
Founded in 1975, Microsoft (Nasdaq “MSFT”) is the worldwide leader in software, services and solutions that help people and businesses realize their full potential.
GdPicture
GdPicture is a leading editor of comprehensive document imaging toolkits for developers. Delivered as ActiveX and .NET components, GdPicture products can quickly and easily add several features to your applications like OCR, image processing, PDF creation, image conversion, document displaying, document printing, image acquisition and all other features covering all areas of document imaging technologies. GdPicture has thousands of customers all over the world including ECM market companies and software development firms. Every day the company provides services and support to programmers and architects to reduce the time and cost of application development. GdPicture is based in Toulouse, France.