What are some alternatives?
Sharepoint Online - SharePoint is a secure place to store, organize, share, and access information from almost any device.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, Yammer, and Apps for SharePoint.
Confluence - Confluence is content collaboration software that changes how modern teams work
Ryver - Ryver provides all of your team communications in one place: chats, posts, and files.
Nuclino - Nuclino is a unified real-time workspace for teams that brings all your notes, tasks, and docs together in one place.