Libon vs PDF4QT
A side-by-side look at Libon and PDF4QT. For an in-depth review of either product, follow the links below.
Libon
Social & Communications
Libon is a voice over IP (VoIP) app for making phone calls and sending instant messages over the internet. It provides free calling and messaging between Libon users.
voipmessaginginternet-calling
PDF4QT
Office & Productivity
PDF4QT is an open-source PDF library for Qt that enables Qt applications to read and write PDF files. It provides an easy API for PDF generation and manipulation.
pdfqtopensourcelibrary