Cybersource vs Starling Bank

Cybersource and Starling Bank both appear on the Smoower Developer Ecosystem Index.

Cybersource (rank #536) holds a narrow lead over Starling Bank (rank #625) on the overall Smoower ecosystem score (36 vs 33). The gap of 3 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Starling Bank is slightly ahead of Cybersource. On education (docs, guides and learning material for developers), Cybersource is ahead of Starling Bank. On community (issue response, PR reviews and discussion health), Cybersource is clearly ahead of Starling Bank. On reach (how visible the ecosystem is beyond its own repos), Starling Bank is clearly ahead of Cybersource. On momentum (release cadence and how fast the ecosystem moves), Starling Bank is 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. Starling Bank shows 195 stars across 3 public repos, 3 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Cybersource's footprint is roughly 3.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Cybersource is the stronger read for anyone weighting community. Starling Bank 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.