15Five vs Buffer

15Five and Buffer (Helping people build their business on social media since 2011) both appear on the Smoower Developer Ecosystem Index.

Buffer (rank #455) holds a narrow lead over 15Five (rank #693) on the overall Smoower ecosystem score (39 vs 31). The gap of 8 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Buffer is slightly ahead of 15Five. On education (docs, guides and learning material for developers), Buffer is ahead of 15Five. On community (issue response, PR reviews and discussion health), 15Five is ahead of Buffer. On reach (how visible the ecosystem is beyond its own repos), Buffer is ahead of 15Five. On momentum (release cadence and how fast the ecosystem moves), 15Five is clearly ahead of Buffer.

15Five carries 141 GitHub stars across 29 public repos, with 2 repositories active in the last 90 days and 5 external contributors on record. Buffer shows 11,181 stars across 196 public repos, 4 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Buffer's footprint is roughly 79.3x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

15Five is the stronger read for anyone weighting momentum. Buffer 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.