Cybersource vs Duolingo
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Cybersource and Duolingo both appear on the Smoower Developer Ecosystem Index.
Duolingo (rank #338) holds a narrow lead over Cybersource (rank #536) on the overall Smoower ecosystem score (43 vs 36). The gap of 7 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), Cybersource is slightly ahead of Duolingo. On education (docs, guides and learning material for developers), Cybersource is ahead of Duolingo. On community (issue response, PR reviews and discussion health), Duolingo is slightly ahead of Cybersource. On reach (how visible the ecosystem is beyond its own repos), Duolingo is ahead of Cybersource. On momentum (release cadence and how fast the ecosystem moves), Duolingo is slightly ahead of Cybersource.
Cybersource carries 587 GitHub stars across 40 public repos, with 28 repositories active in the last 90 days and 7 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors.
Cybersource is the stronger read for anyone weighting education. Duolingo 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.
Side-by-side metrics
| Metric | Cybersource | Duolingo |
|---|---|---|
| Ranking | ||
| Overall rank | #536 | #338 |
| Pillars | ||
| Overall | 36 | 43 |
| Code | 49 | 44 |
| Education | 64 | 47 |
| Community | 31 | 37 |
| Reach | 36 | 49 |
| Momentum | 37 | 38 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 587 | 1,721 |
| Forks | 986 | 267 |
| Public repos | 40 | 12 |
| Active repos (90d) | 28 | 8 |
| External contributors | 7 | 11 |
| Avg polish | 48 | 51 |
| Avg AI-readiness | 43 | 30 |