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.
PDFlib
PDFlib GmbH is completely focused on PDF technology. Customers worldwide use PDFlib products since 1997. The company closely follows development and market trends, such as ISO standards for PDF. PDFlib GmbH products are distributed in more than 100 countries all over the world with major markets in North America, Europe, and Japan.
Amyuni Technologies
Amyuni Technologies creates products that are integrated into applications used worldwide. Its software tools are the PDF engines behind several leading business applications created by large software companies such as Intuit, Sage, CaseWare and many more. Amyuni Technologies software products are also used as stand-alones by end-users in hundreds of corporations, small companies, and not-for-profit organizations, facilitating their daily document management. Customers come from a wide range of industries: accounting, banking, medical, oil and energy, software, and many, many more.