Adobe
Foxit Software
Krzysztof Kowalczyk
Foxit Software
PDFzilla
Krzysztof Kowalczyk
Artifex Software
Future Solutions Media
CoolPDF Software
Nuance
Investintech
LULU software
Qoppa Software
PDF Fixer
LightPDF
PDFix
Luis Ángel San Martín
VeryPDF.com, Inc.
Instalează Word, Excel și PowerPoint cu Office 2019
Microsoft
Microsoft Corporation
Microsoft
Foxit Corporation
Kingsoft Office Software
pdfforge.org