Alternative apps to Mattermost :
  • 4.2
    247 votes
    Discord 1.0.9043
    All-in-one voice and text chat that's free, secure, and works on your desktop, web browser, and phone.
    • Freeware
    • Windows, macOS, Android, iOS
  • 3.9
    74 votes
    Microsoft Teams 1.7.00.7956
    Microsoft's collaboration platform combines workplace chat, meetings, notes, and attachments – it fully integrates with the Office 365 suite.
    • Freeware
    • Windows, macOS, Android, iOS
  • 3.3
    12 votes
    Slack 4.38.115
    Real-time messaging that works. Get full access to your messages, upload files easily, and receive notifications at your desk or on the go.
    • Freeware
    • Windows, macOS, Android, iOS
  • 4.3
    15 votes
    Rocket.Chat 4.47.1
    From group messages and video calls all the way to helpdesk killer features our goal is to become the number one cross-platform open source chat solution.
    • Freeware
    • Windows, macOS, Linux, Android
  • Not rated yet
    0 votes
    Element 1.11.64
    Element is a Matrix client for desktop platforms with Element Web at its core.
    • Freeware
    • Multiple OS
  • 5/5
    1 votes
    Jitsi 2.8.5426
    Secure video calls, conferencing, chat, desktop sharing, file transfer, support for your favorite OS, and IM network
    • Freeware
    • Windows
  • Not rated yet
    0 votes
    Ryver 1.2.0
    Say goodbye to relying on email and meetings.
    • Freeware
    • Windows, macOS, Android, iOS