Mattermost vs Open365
A side-by-side look at Mattermost and Open365. For an in-depth review of either product, follow the links below.
Mattermost
Social & Communications
Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.
chatmessagingteam-collaborationopen-source
Open365
Office & Productivity
Open365 is an open-source alternative to Microsoft 365 and Google Workspace, providing core productivity apps like word processing, spreadsheets, presentations, email, calendar, contacts, and more. It is free, customizable, and focused on privacy and data ownership.
opensourceprivacycollaborationdocumentsspreadsheetspresentationsemailcalendarcontacts
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