PDF4QT is described as 'Open-source PDF viewer/editor using Qt framework with C++ library, multithreading, hardware rendering, encryption, text layout, and form tools' and is a PDF Reader in the office & productivity category. There are more than 100 alternatives to PDF4QT for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best PDF4QT alternative is SumatraPDF, which is both free and Open Source. Other great apps like PDF4QT are Okular, Foxit PDF Reader, PDF Arranger and PDF-XChange Editor.
LibreSign is a web application for electronic signatures (e-Sign) that offer the possibility of signing documents online with security and agility.
Trevnoctilla lets you edit, merge, split, compress, and annotate PDFs directly in your browser—no downloads or installations required. Fast, secure, and completely free.
In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.
With PDFill you can create, fill, delete and submit PDF form fields; insert new formatted text, check, image, hyperlink, whiteout, highlight, drawing, comment and annotation anywhere in the document; save, print or email the filled and password-protected PDF; save and resume...
Merge, split, rotate, crop and rearrange pdf documents and their pages using an interactive and intuitive graphical interface.
PDF Chain is a graphical user interface for PDFtk. The GUI supports all common features of the command line tool in a comfortable way.
Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files.
Ashampoo PDF Free is a software for opening, reading, and creating PDF files. It includes a built-in printer driver for generating PDFs from any Windows application, a compact and fast PDF reader, and the ability to fill out interactive and static forms.
PDF Candy is an online PDF toolset of 47 services for successful processing of PDF files. The service is free for single-file operations and does not require an account. A desktop application is also offered,
A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.
Upload documents once, auto-fill your PDF forms in one click. PDF form filling powered by your docs. Built for teams handling hundreds of visa, tax, and onboarding forms each month. Save 5+ hours per week and eliminate costly human errors from manual data entry.
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