Kingsoft Office Software
The Document Foundation
Infraware
Atlantis
Adobe
pdfforge.org
OpenOffice.Org
Spacejock Software
Literature and Latte
Cài đặt Word, Excel, PowerPoint với Office 2019
Microsoft
The Document Foundation
Geek Software
Microsoft Corporation
Microsoft
Microsoft
Anthemion Software Ltd.
Graeme Gott
PortableApps.com
Dynalist Inc.
Bad Wolf Software
Shaxpir Inc.
Beaver Notes
Story Apps
Foxit Software