Mattermost vs UserTesting

Mattermost (Mattermost is a secure collaboration platform for connecting your teams, tools and processes to accelerate mission-critical work.) and UserTesting (Real. Human. Insight.) both appear on the Smoower Developer Ecosystem Index.

Mattermost (rank #39) holds a meaningful lead over UserTesting (rank #692) on the overall Smoower ecosystem score (62 vs 31). The gap of 31 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 UserTesting. On education (docs, guides and learning material for developers), Mattermost is slightly ahead of UserTesting. On community (issue response, PR reviews and discussion health), Mattermost is clearly ahead of UserTesting. On reach (how visible the ecosystem is beyond its own repos), Mattermost is clearly ahead of UserTesting. On momentum (release cadence and how fast the ecosystem moves), Mattermost is clearly ahead of UserTesting.

Mattermost carries 49,900 GitHub stars across 263 public repos, with 59 repositories active in the last 90 days and 103 external contributors on record. UserTesting shows 15 stars across 119 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Mattermost's footprint is roughly 3326.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Mattermost is the stronger read for anyone weighting momentum. UserTesting makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.