What are some alternatives?
When comparing Moxtra and MS SharePoint, you can also consider the following products
Ryver - Ryver provides all of your team communications in one place: chats, posts, and files.
Slack - A messaging app for teams who see through the Earth!
Sharepoint Online - SharePoint is a secure place to store, organize, share, and access information from almost any device.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Notion.so - A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team
Google Drive - Access and sync your files anywhere