Developer ecosystem comparison
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Stream vs UserTesting

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

Stream (Build scalable in-app chat, feeds, and live video with AI moderation capabilities in hours, not weeks.) and UserTesting (Real. Human. Insight.) both appear on the Smoower Developer Ecosystem Index.

Stream (rank #336) holds a modest lead over UserTesting (rank #691) on the overall Smoower ecosystem score (43 vs 31). The gap of 12 points reflects composite signals across code, docs, community and reach.

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

Stream carries 35,577 GitHub stars across 487 public repos, with 90 repositories active in the last 90 days and 42 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 Stream's footprint is roughly 2371.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Stream is the stronger read for anyone weighting momentum. UserTesting 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.

Side-by-side metrics

MetricStreamUserTesting
Ranking
Overall rank#336#691
Pillars
Overall4331
Code6137
Education5460
Community4912
Reach2333
Momentum820
Builder experience00
Signals
Stars35,57715
Forks4,9615
Public repos487119
Active repos (90d)900
External contributors420
Avg polish7133
Avg AI-readiness4529

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