SlideShare
Scribd, Inc.
演示文稿创建者
Desygner Pty Ltd
Prezi Viewer
Prezi
Zoho Show: 演示文稿制作工具
Zoho Corporation
Office NX: Presentations
SoftMaker Software GmbH
Microsoft SharePoint
Microsoft Corporation
Explain Everything Whiteboard
Promethean Limited
领英学习: 学习在线课程,掌握热门技能
LinkedIn
Coursera
Coursera, Inc.
Skillsoft Learning App
Skillsoft.