OpenOffice.Org
Strahinja Markovic
The Document Foundation
KDE
Core Software Solutions
Graeme Gott
Patrizio Bekerle
PDFKeeper
Streetwriters (Private) Ltd.
Ben Olden-Cooligan
KDE Community
Foxit Software
Cài đặt Word, Excel, PowerPoint với Office 2019
Microsoft
Foxit Software
Tenorshare
MobiSystems
Đọc, in và duyệt tài liệu PDF
Code Industry Ltd.
Van Loo Software
Kingsoft Office Software
FoxPDF Software Inc
EXP Systems
CoolPDF Software