Comparison

Gather vs Mattermost

On the evidence we track, Gather leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Gather full profile →Mattermost full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

★Gather67

Mattermost59

Attribute comparison across 2 tools
Attribute	GatherLeader	Mattermost
Vioscale score	67 / 100high · 75%	59 / 100medium · 66%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	low
Starting pricepricing.starting_price	$12	-
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	5	14
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	✓
Scorecardsecurity.scorecard	-	7.3
Soc2security.soc2	✓	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	371
Github starsadoption.github_stars	-	38,909
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	1
Historyrelease.history	-	20 items
Language
Primarylanguage.primary	-	TypeScript
Market
Availabilitymarket.availability	Available worldwide · Popular in US, EU, GB, JP · HQ US	Available worldwide · Popular in US, CA, GB, EU, JP · HQ US

Score

Vioscale score

Gather67 / 100high · 75%

Mattermost59 / 100medium · 66%

Pricing

Free tier

Gather✓

Mattermost✓

Model

Gatherfreemium

Mattermostcommercial

Price level

Gatherlow

Mattermostlow

Starting price

Gather$12

Mattermost–

Transparent

Gather✓

Mattermost✗

Integrations

Count

Gather5

Mattermost14

Security

Disclosure policy

Gather✓

Mattermost✓

Gdpr

Gather✓

Mattermost✓

Scorecard

Gather–

Mattermost7.3

Soc2

Gather✓

Mattermost–

Vulnerabilities

Gather–

MattermostCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100 · Last 12m: 0

Reliability

Status page

Gather✓

Mattermost✓

Adoption

Dependent repos

Gather–

Mattermost371

Github stars

Gather–

Mattermost38,909

Activity

Commits last 30d

Gather–

Mattermost100

Release

Cadence days

Gather–

Mattermost1

History

Gather–

Mattermost20 items

Language

Primary

Gather–

MattermostTypeScript

Market

Availability

GatherAvailable worldwide · Popular in US, EU, GB, JP · HQ US

MattermostAvailable worldwide · Popular in US, CA, GB, EU, JP · HQ US

Capabilities

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

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

Modality

Messaging

Gather✓

Mattermost✓

Video meetings

Gather✓

Mattermost✗

Whiteboard

Gather✗

Mattermost✗

Meetings

Screen sharing

Gather✓

Mattermost✗

Recording / transcription

GatherRecording + AI notes

Mattermost-

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

Leader

Gather is a cloud-based virtual office platform that enables distributed teams to collaborate naturally through a shared digital space. Team members can see each other's availability, join conversations instantly, share screens, record meetings with AI-generated notes, and build team culture—all without the friction of constant meeting scheduling.

Independently observed

Mattermost

Mattermost is an open-source messaging and collaboration platform designed for organizations requiring data sovereignty, self-hosting control, and mission-critical availability. It integrates with external tools and workflows, supports high-availability deployments, and serves government, defense, and enterprise customers needing secure, compliant operations.

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

Leader

from $12/moSubscriptionFree tier30-day trial

From $12/member/month, 30-day free trial

Essential$12/member/month
- Personalized virtual office
- Unlimited meetings and chat
- Meeting recordings
- AI meeting notes and transcriptions
- Meeting screen sharing
- +4 more
CustomContact sales
- All Essential features
- Custom onboarding
- Larger customized spaces
- Hybrid solutions
- Single sign-on (SSO)
- +1 more

as of 2026-08-13verify ↗

Mattermost

HybridFree tier

Free open-source tier available; commercial E10 and E20 enterprise editions

Open SourceFree
Enterprise E10-
Enterprise E20-

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Gather	Mattermost
WebPlatforms	✓	✓
iOSPlatforms	✗	✓
WindowsPlatforms	✓	✗
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓
HybridDeployment	✗	✓

Platforms

Web

Gather✓

Mattermost✓

iOS

Gather✗

Mattermost✓

Windows

Gather✓

Mattermost✗

Deployment

Cloud / SaaS

Gather✓

Mattermost✓

Self-hosted

Gather✗

Mattermost✓

On-premise

Gather✗

Mattermost✓

Hybrid

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

Leader

7 total - 6 not shared

Google Calendar
Spotify
Google Chrome Extension
Outlook (planned)
Google Chrome
Outlook

Independently observed

Mattermost

14 total - 13 not shared

Slack
Git
Jenkins
GitLab
Twitter
Bugzilla
RSS
Gerrit
Redmine
Mercurial
SVN
Threema
Pexip

Independently observed

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