Element VS Mattermost

Side-by-side open source comparison

ElementOpen Source

Decentralized messaging app built on Matrix — encrypted team chat, video calls, and bridges to other platforms

MattermostOpen Source

Secure, self-hosted team messaging platform as an alternative to Slack

Overview

ElementMattermost

TypeOpen SourceOpen Source

Category--Communication

PricingFree (self-hosted)Free (self-hosted)

Self-Hostable

LicenseAGPL-3.0MIT

ElementMattermost

Stars12.9k38.3k

Forks2.5k8.8k

Contributors300389

Open Issues1.2k921

Last Commit--Jul 2026

Latest Release----

ElementMattermost

Health Score

80Excellent

92Excellent

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