What are some alternatives?
When comparing Moxtra and Nuclino, you can also consider the following products
Ryver - Ryver provides all of your team communications in one place: chats, posts, and files.
Confluence - Confluence is content collaboration software that changes how modern teams work
Sharepoint Online - SharePoint is a secure place to store, organize, share, and access information from almost any device.
Jama Connect - Collaborate with your team and share the data you care about in one place
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.