Spacebar vs Mattermost
A side-by-side comparison of Spacebar and Mattermost — pricing, license, deployment, and where each tool wins.
Spacebar
spacebar.chat
Open-source alternative to Slack.
Mattermost
mattermost.com
Open-source alternative to Slack.
| Feature | Spacebar | Mattermost |
|---|---|---|
| Pricing | Free | Free |
| Model | Open-source | Open-source |
| License | MIT | MIT |
| Deployment | Cloud, Self-hosted | Cloud, Self-hosted |
| Category | Slack alternatives | Slack alternatives |
| Self-hosted | ✓Yes | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Spacebar if…
- ✓You prefer Spacebar's feature set or ecosystem fit.
Pick Mattermost if…
- ✓You prefer Mattermost's feature set or ecosystem fit.