Google Drive is the best choice for collaborative work.It has a large cloud storage room and allow Google Docs, Sheets, and Slid synchronizing. As long as you need collaborative editing, the app can help you. You can use in documents, spreadsheets, presentations, drawings, forms, and so on.

Google Drive can keep everything and share anything.
The publisher’s website:https://drive.google.com/start#home
Webmaster’s note:This software is downloaded directly from the official website of Google. I didn’t put it on my personal server. If you fail to download, please email me directly and I will reply in time.