jPDFFields allows your application to get and set field values.
Pixel Caffeine - Facebook Pixel for WordPress made easy
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
iWadi - Take online paid surveys. Help your favorite brands and earn money online with iWadi online survey panel. Sign up for free.
iText - iText is an intuitive and refined text editor with word processing completely rewritten in Cocoa...
SurveyLab - Professional online survey tool - best survey software for the best price - Satisfaction Surveys, NPS, Market Research, Online Survey Creation and real-time reports.
RadaeePDF Master SDK - RadaeePDF SDK is a powerful PDF rendering library for Android iOS and Windows 8/8.1, WindowsPhone and Windows 10 UWP. RadaeePDF SDK can render, create, annotate, modify PDF files. RadaeePDF SDK can get and set PDF form and acroform.