Proton Mail vs Skyscanner
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Proton Mail and Skyscanner both appear on the Smoower Developer Ecosystem Index.
Skyscanner (rank #209) holds a narrow lead over Proton Mail (rank #401) on the overall Smoower ecosystem score (49 vs 41). 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), Skyscanner is slightly ahead of Proton Mail. On education (docs, guides and learning material for developers), Skyscanner is clearly ahead of Proton Mail. On community (issue response, PR reviews and discussion health), Proton Mail is slightly ahead of Skyscanner. On reach (how visible the ecosystem is beyond its own repos), Proton Mail is ahead of Skyscanner. On momentum (release cadence and how fast the ecosystem moves), Proton Mail is ahead of Skyscanner.
Proton Mail carries 16,265 GitHub stars across 186 public repos, with 19 repositories active in the last 90 days and 20 external contributors on record. Skyscanner shows 8,167 stars across 86 public repos, 18 active in the last 90 days and 39 external contributors.
Proton Mail is the stronger read for anyone weighting reach. Skyscanner looks better where education 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.
Side-by-side metrics
| Metric | Proton Mail | Skyscanner |
|---|---|---|
| Ranking | ||
| Overall rank | #401 | #209 |
| Pillars | ||
| Overall | 41 | 49 |
| Code | 64 | 67 |
| Education | 42 | 72 |
| Community | 46 | 40 |
| Reach | 44 | 32 |
| Momentum | 52 | 41 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 16,265 | 8,167 |
| Forks | 2,240 | 1,526 |
| Public repos | 186 | 86 |
| Active repos (90d) | 19 | 18 |
| External contributors | 20 | 39 |
| Avg polish | 74 | 74 |
| Avg AI-readiness | 32 | 47 |