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.
zefer|org
PD4ML is a powerful PDF generating tool that uses HTML and CSS (Cascading Style Sheets) as page layout and content definition format. Written in 100% pure Java, ported to managed .NET code, it allows users to easily add PDF generation functionality to end products.
Janus Systems
Janus Systems is the company behind the widely popular Janus GridEX component. The company was founded in 1994. Janus GridEX, a versatile grid component, allows a customer to build a user interface similar to Microsoft's Outlook, complete with tabs, button bars, and tool tips. The component is used today by thousands of corporations from CitiBank to Glaxo Welcome and EDS, located in a broad spectrum of countries from much of Europe through to China and the United States.