15Five vs Panther Labs

15Five and Panther Labs (Panther's mission is to make security teams smarter and faster than attackers.) both appear on the Smoower Developer Ecosystem Index.

Panther Labs (rank #209) holds a modest lead over 15Five (rank #693) on the overall Smoower ecosystem score (49 vs 31). The gap of 18 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Panther Labs is clearly ahead of 15Five. On education (docs, guides and learning material for developers), Panther Labs is clearly ahead of 15Five. On community (issue response, PR reviews and discussion health), Panther Labs is slightly ahead of 15Five. On reach (how visible the ecosystem is beyond its own repos), Panther Labs is clearly ahead of 15Five. On momentum (release cadence and how fast the ecosystem moves), Panther Labs is slightly 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. Panther Labs shows 668 stars across 25 public repos, 11 active in the last 90 days and 18 external contributors. The star gap on its own does not decide the comparison, but Panther Labs's footprint is roughly 4.7x 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. Panther Labs 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.