Mattermost alternatives
Collaboration platform for mission critical work — here's what to use instead, including the version you build yourself.
they charge
$10/user/mo
Alternative #1
Vibe code your own Mattermost
Build a simple single-node team chat web app with WebSockets, but keep paying or self-hosting the official server if you need enterprise security, air-gapped compliance, and native multi-platform shells. Score: 25/100 (Don't bother).
Get the build guide →Similar tools, honestly scored
Enterprise Collaboration products we've analyzed — each with its own verdict and build guide.
Community picks
Alternatives submitted by the community — built one? Selling one? Put it up and let the votes decide.
Free versions people built
Community members who vibe coded their own Mattermost from our build guide — with real running costs. Upvote the ones that earn it.