ApowerPDF - ApowerPDF is a versatile PDF editor which also features as PDF converter, viewer, creator and more. It provides a perfect solution for all users.
Windward Studios - Windward's solution includes a .NET or Java Engine, a set of code libraries for integrating reporting and document generation.
Classic PDF Editor - View, Create, Convert and Edit PDF Files
Apache Velocity - Velocity is a Java-based template engine.
PDF Reader Pro - PDF Reader Pro is an all-in-one PDF office supporting to Read, Annotate, Edit, OCR, Convert, Create & Fill Form, Sign PDFs, TTS on Mac, iOS, Android, and Windows.
PandaDoc - Boost your revenue with PandaDoc. A document automation tool that delivers higher close rates and shorter sales cycles. We've helped over 30,000+ companies.