Apps like Confluence Data Center

Here are some great alternatives to Confluence Data Center by Atlassian :
Samepage: Team Collaboration
Samepage: Team Collaboration
★3.4
Microsoft Teams
Microsoft Teams
★4.6
Collect by WeTransfer
Collect by WeTransfer
★4.5
Notejoy
Notejoy
★3.7
BrewView by Andrews
BrewView by Andrews
★5.0
Essential To Do List
Essential To Do List
★4.1
Nucleus One - Teams Management
Nucleus One - Teams Management
★4.4
ProjectPlace
ProjectPlace
★3.7
Dropbox Paper
Dropbox Paper
★4.2
Coda
Coda
★3.2
Glasscubes
Glasscubes
★4.0
Rock: Messaging + Tasks
Rock: Messaging + Tasks
★4.3
OpenText Core Share
OpenText Core Share
★4.6
ActiveCollab: Work Management
ActiveCollab: Work Management
★4.6
monday.com - Work Management
monday.com - Work Management
★4.8
Lucidspark
Lucidspark
★3.7