Appsmith
Mattermost
| Feature | Appsmith | Mattermost |
|---|---|---|
| Pricing | Free / from $40/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.2 / 5 |
| Best For | developers, startups, internal-tools-teams, engineering-teams | devops-teams, security-conscious-orgs, government, enterprise |
| Founded | 2019 | 2015 |
| Drag And Drop | ✓ | ✗ |
| Api Integration | ✓ | ✗ |
| Javascript Customization | ✓ | ✗ |
| Git Sync | ✓ | ✗ |
| Access Control | ✓ | ✗ |
| Self Hosting | ✓ | ✓ |
| Messaging | ✗ | ✓ |
| Channels | ✗ | ✓ |
| Playbooks | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Compliance | ✗ | ✓ |
✓ Appsmith Pros
- Open source
- Self-hostable
- Good API integration
- Active community
✗ Appsmith Cons
- Learning curve
- Limited templates
- Performance issues with complex apps
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
The Verdict
Appsmith is built for developers and startups, with a focus on drag-and-drop and api-integration. Mattermost targets devops teams and security conscious orgs and leads with messaging and channels.
On pricing, Mattermost is the clear winner for budget-conscious users — starting at $10/mo compared to $40/mo for Appsmith. That $30/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.