vioscaleAI
Comparison

Gather vs Mattermost

No clear leader: Gather (67.6) and Mattermost (67.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Gather full profile →Mattermost full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Gather68
Mattermost67
Score
vioscaleAI score
Gather68 / 100medium · 73%
Mattermost67 / 100medium · 65%
Pricing
Free tier
Gather✓
Mattermost✓
Model
Gatherfreemium
Mattermostfreemium
Price level
Gatherlow
Mattermostlow
Starting price
Gather$12
Mattermost–
Transparent
Gather✓
Mattermost✗
Integrations
Count
Gather4
Mattermost700
Security
Certifications
Disclosure policy
Gather✓
Mattermost✓
Gdpr
Gather✓
Mattermost✓
Scorecard
Gather–
Mattermost7.3
Soc2
Gather✓
Mattermost–
Trust center
Vulnerabilities
Reliability
Status page
Gather✓
Mattermost✓
Adoption
Dependent repos
Gather–
Mattermost371
Github stars
Gather–
Mattermost39,264
Activity
Commits last 30d
Gather–
Mattermost100
Release
Cadence days
Gather–
Mattermost1
History
Gather–
Mattermost20 items
Language
Primary
Gather–
MattermostTypeScript
Market
Availability
Content
Faq
Gather7 items
Mattermost7 items

Capabilities

Feature-by-feature on the axes that matter for collaboration software. “-” means undocumented, not absent.

Modality
Messaging
Gather✓
Mattermost✓
Video meetings
Gather✓
Mattermost✗
Whiteboard
Gather✓
Mattermost✗
Meetings
Screen sharing
Gather✓
Mattermost✓
Recording / transcription
GatherRecording + AI notes
MattermostRecording + AI notes
Security
End-to-end encryption
Gather✗
Mattermost-
SSO / SCIM
Gather✓
Mattermost✓
Access
Guest / external access
Gather✓
Mattermost✓
Compliance
Compliance controls
Gather✓
Mattermost✓
Deployment
Hosting
GatherCloud only
MattermostCloud + self-hosted
Scale
Max participants
Gatherhundreds
Mattermost-
Ecosystem
App marketplace
Gather✗
Mattermost✓
Public API / bot framework
Gather✓
Mattermost✓
Commercial
Free tier
Gather✓
Mattermost✓

What each one is

The product in its own terms, so the numbers below have context.

Gather

A web-based platform that enables remote teams to interact, meet, and work together as if co-located, without constant formal meeting scheduling. Users can see colleague availability, initiate instant conversations, and customize their shared digital workspace.

Independently observed

Mattermost

Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Gather

from $12/member/moSubscriptionFree tier30-day trial

From $12/member/month. Free 30-day trial. Custom plans available.

  • Essential Plan$12/member/month (or $9.60/member/month when billed annually with -20% discount)
    • Unlimited audio & video calls
    • Unlimited chat messages
    • Meeting recordings
    • AI meeting notes and transcriptions
    • Google Calendar sync
    • +8 more
  • Custom PlanContact sales
    • All Essential Plan features
    • Custom pricing
    • Custom onboarding
    • Custom, larger offices
    • Hybrid solutions
    • +3 more
as of verify ↗

Mattermost

HybridFree tier
  • Enterprise Edition E10-
  • Enterprise Edition E20-
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Gather✓
Mattermost✓
iOS
Gather✗
Mattermost✓
Android
Gather✗
Mattermost✓
macOS
Gather✗
Mattermost✓
Windows
Gather✗
Mattermost✓
Linux
Gather✗
Mattermost✓
Deployment
Cloud / SaaS
Gather✓
Mattermost✓
Self-hosted
Gather✗
Mattermost✓
On-premise
Gather✗
Mattermost✓
Air-gapped
Gather✗
Mattermost✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • GitHub

Gather

7 total - 6 not shared
  • Google Calendar
  • Spotify
  • Google Chrome Extension
  • Outlook (planned)
  • Google Chrome
  • Outlook
Independently observed

Mattermost

26 total - 25 not shared
  • Slack
  • Git
  • Jenkins
  • GitLab
  • Twitter
  • Bugzilla
  • RSS
  • Gerrit
  • Redmine
  • Mercurial
  • SVN
  • Threema
  • Pexip
  • Prometheus
  • Grafana
  • Microsoft Teams
  • Matrix
  • XMPP
  • Trello
  • ServiceNow
  • PagerDuty
  • Splunk
  • Nagios
  • Ansible
  • +1 more
Independently observed
Still deciding?

Gather or Mattermost: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.