Element vs Mattermost
Both Element and Mattermost are self-hosted alternatives to Discord, Google Chat, Microsoft Teams, Slack and Telegram. Both are filed under Communication - Custom Communication Systems.
Side by side
| Field | Element | Mattermost |
|---|---|---|
| Description | Fully-featured Matrix client for Web, iOS & Android. | Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab. |
| GitHub stars | 13,633 | 39,499 |
| License | Apache-2.0 | ⊘ Proprietary |
| Platforms | Nodejs | Go, Docker, K8S |
| Latest release | v1.12.33, 27 October 2026 | v11.7.15-rc1, 28 October 2026 |
| Repository activity | 30 October 2026 | 2 November 2026 |
| Health | Active | Active |
| Categories | Communication - Custom Communication Systems | Communication - Custom Communication Systems |
| Website | https://element.io | https://mattermost.com/ |
| Source code | https://github.com/element-hq/element-web | https://github.com/mattermost/mattermost |
Where the records differ
Computed from the two records above: a line appears only where the dataset states a figure, a date or a set relation, and no line recommends one application over the other.
- Mattermost has more GitHub stars in the dataset, 39,499 against 13,633.
- Mattermost recorded repository activity more recently, 2 November 2026 against 30 October 2026.
- Mattermost has the newer release on record: v11.7.15-rc1, 28 October 2026, against v1.12.33, 27 October 2026.
- Licenses differ: Element is listed under Apache-2.0; Mattermost under ⊘ Proprietary.
- Platforms differ: Element lists Nodejs; Mattermost lists Go, Docker, K8S.
- Both are filed under the same categories: Communication - Custom Communication Systems.