Panther Labs vs Semrush

Panther Labs (Panther's mission is to make security teams smarter and faster than attackers.) and Semrush (We do love open source and have an opportunity to make it better from now.) both appear on the Smoower Developer Ecosystem Index.

Panther Labs (rank #209) holds a narrow lead over Semrush (rank #317) on the overall Smoower ecosystem score (49 vs 44). The gap of 5 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 Semrush. On education (docs, guides and learning material for developers), Panther Labs is slightly ahead of Semrush. On community (issue response, PR reviews and discussion health), Panther Labs is slightly ahead of Semrush. On reach (how visible the ecosystem is beyond its own repos), Panther Labs is ahead of Semrush. On momentum (release cadence and how fast the ecosystem moves), Panther Labs is slightly ahead of Semrush.

Panther Labs carries 668 GitHub stars across 25 public repos, with 11 repositories active in the last 90 days and 18 external contributors on record. Semrush shows 454 stars across 11 public repos, 2 active in the last 90 days and 7 external contributors.

Panther Labs is the stronger read for anyone weighting code quality. Semrush 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.