Mattermost Launches Free Entry Tier: Sovereign Self-Hosted Collaboration to Fortify Data Against AI-Era ThreatsPublished bymattermost.comon •1 min readPALO ALTO, Calif., Oct. 16, 2025 — Mattermost, the secure collaboration platform trusted by the U.S.MattermostLaunchesFreeEntryTierLearn moreShareLegalReport
