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.
Qoppa Software
Qoppa Software was founded in 2002 in Atlanta and specializes in the development of high-end libraries and applications to work with PDF documents. It provides solutions to companies all over the world ranging from small businesses to Fortune 500 companies. Being a small, highly focused company allows it to remain flexible to work with customers individually to deliver a solution that fits their unique needs in terms of licensing, implementation and deployment. Additionally, Qoppa Software prides itself in offering high-level, responsive technical support at an expert level, providing access to development staff when necessary.
Greatis Software
Greatis Software is a company based in The Russian Federation that started making software in 1998. The company's most important directions are security software and software for developers. Greatis Software's expertise lies in creating components and tools for Delphi. Functional specialties include: form designing, printing, imaging and WinAPI.