Cybersource vs Zeplin
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Cybersource and Zeplin both appear on the Smoower Developer Ecosystem Index.
Zeplin (rank #430) holds a narrow lead over Cybersource (rank #536) on the overall Smoower ecosystem score (40 vs 36). The gap of 4 points reflects composite signals across code, docs, community and reach.
On education (docs, guides and learning material for developers), Zeplin is ahead of Cybersource. On community (issue response, PR reviews and discussion health), Cybersource is slightly ahead of Zeplin. On reach (how visible the ecosystem is beyond its own repos), Cybersource is ahead of Zeplin. On momentum (release cadence and how fast the ecosystem moves), Cybersource is clearly ahead of Zeplin.
Cybersource carries 587 GitHub stars across 40 public repos, with 28 repositories active in the last 90 days and 7 external contributors on record. Zeplin shows 1,460 stars across 57 public repos, 8 active in the last 90 days and 4 external contributors.
Cybersource is the stronger read for anyone weighting momentum. Zeplin 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 | Cybersource | Zeplin |
|---|---|---|
| Ranking | ||
| Overall rank | #536 | #430 |
| Pillars | ||
| Overall | 36 | 40 |
| Code | 49 | 49 |
| Education | 64 | 77 |
| Community | 31 | 28 |
| Reach | 36 | 20 |
| Momentum | 37 | 16 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 587 | 1,460 |
| Forks | 986 | 228 |
| Public repos | 40 | 57 |
| Active repos (90d) | 28 | 8 |
| External contributors | 7 | 4 |
| Avg polish | 48 | 54 |
| Avg AI-readiness | 43 | 26 |