The single platform to analyze, test, observe, and deploy new features
PostHog vs Sage
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
PostHog (The single platform to analyze, test, observe, and deploy new features) and Sage both appear on the Smoower Developer Ecosystem Index.
PostHog (rank #30) holds a meaningful lead over Sage (rank #625) on the overall Smoower ecosystem score (63 vs 33). The gap of 30 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), PostHog is ahead of Sage. On education (docs, guides and learning material for developers), PostHog is slightly ahead of Sage. On community (issue response, PR reviews and discussion health), PostHog is ahead of Sage. On reach (how visible the ecosystem is beyond its own repos), PostHog is slightly ahead of Sage. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly ahead of Sage.
PostHog carries 40,775 GitHub stars across 357 public repos, with 87 repositories active in the last 90 days and 212 external contributors on record. Sage shows 2,180 stars across 122 public repos, 6 active in the last 90 days and 22 external contributors. The star gap on its own does not decide the comparison, but PostHog's footprint is roughly 18.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
PostHog is the stronger read for anyone weighting momentum. Sage 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.
Side-by-side metrics
| Metric | PostHog | Sage |
|---|---|---|
| Ranking | ||
| Overall rank | #30 | #625 |
| Pillars | ||
| Overall | 63 | 33 |
| Code | 76 | 56 |
| Education | 58 | 52 |
| Community | 52 | 34 |
| Reach | 31 | 23 |
| Momentum | 82 | 12 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 40,775 | 2,180 |
| Forks | 5,070 | 430 |
| Public repos | 357 | 122 |
| Active repos (90d) | 87 | 6 |
| External contributors | 212 | 22 |
| Avg polish | 77 | 52 |
| Avg AI-readiness | 59 | 38 |