Proton Mail vs Starling Bank

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

Proton Mail (rank #401) holds a narrow lead over Starling Bank (rank #625) on the overall Smoower ecosystem score (41 vs 33). 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), Proton Mail is ahead of Starling Bank. On education (docs, guides and learning material for developers), Starling Bank is ahead of Proton Mail. On community (issue response, PR reviews and discussion health), Proton Mail is clearly ahead of Starling Bank. On reach (how visible the ecosystem is beyond its own repos), Starling Bank is ahead of Proton Mail. On momentum (release cadence and how fast the ecosystem moves), Proton Mail is slightly ahead of Starling Bank.

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. 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 Proton Mail's footprint is roughly 83.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Proton Mail 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.