15Five vs Stream

15Five and Stream (Build scalable in-app chat, feeds, and live video with AI moderation capabilities in hours, not weeks.) both appear on the Smoower Developer Ecosystem Index.

Stream (rank #317) holds a modest lead over 15Five (rank #693) on the overall Smoower ecosystem score (44 vs 31). The gap of 13 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 15Five. On education (docs, guides and learning material for developers), Stream is slightly ahead of 15Five. On community (issue response, PR reviews and discussion health), Stream is ahead of 15Five. On reach (how visible the ecosystem is beyond its own repos), Stream is ahead of 15Five. On momentum (release cadence and how fast the ecosystem moves), Stream is clearly ahead of 15Five.

15Five carries 141 GitHub stars across 29 public repos, with 2 repositories active in the last 90 days and 5 external contributors on record. Stream shows 35,664 stars across 487 public repos, 84 active in the last 90 days and 44 external contributors. The star gap on its own does not decide the comparison, but Stream's footprint is roughly 252.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

15Five is worth a look for teams already invested in its stack. Stream looks better where momentum 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.