Discord vs Mattermost

Discord (A new way to chat with your communities and friends. Discord is the easiest way to communicate over voice, video, and text.) and Mattermost (Mattermost is a secure collaboration platform for connecting your teams, tools and processes to accelerate mission-critical work.) both appear on the Smoower Developer Ecosystem Index.

Mattermost (rank #40) holds a narrow lead over Discord (rank #103) on the overall Smoower ecosystem score (62 vs 55). The gap of 7 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Mattermost is clearly ahead of Discord. On education (docs, guides and learning material for developers), Discord is ahead of Mattermost. On community (issue response, PR reviews and discussion health), Discord is slightly ahead of Mattermost. On reach (how visible the ecosystem is beyond its own repos), Mattermost is clearly ahead of Discord. On momentum (release cadence and how fast the ecosystem moves), Mattermost is slightly ahead of Discord.

Discord carries 28,570 GitHub stars across 327 public repos, with 36 repositories active in the last 90 days and 41 external contributors on record. Mattermost shows 49,882 stars across 262 public repos, 58 active in the last 90 days and 105 external contributors.

Discord is the stronger read for anyone weighting education. Mattermost looks better where reach is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.