Chargebee vs Proton Mail

Chargebee (Billing Platform for Subscription Businesses.) and Proton Mail both appear on the Smoower Developer Ecosystem Index.

Chargebee and Proton Mail sit at essentially the same overall ecosystem score (41), which is unusual and worth reading through the pillars below.

On code quality (the state of repositories, tests, releases and polish), Proton Mail is ahead of Chargebee. On education (docs, guides and learning material for developers), Chargebee is ahead of Proton Mail. On community (issue response, PR reviews and discussion health), Proton Mail is clearly ahead of Chargebee. On reach (how visible the ecosystem is beyond its own repos), Proton Mail is clearly ahead of Chargebee. On momentum (release cadence and how fast the ecosystem moves), Chargebee is ahead of Proton Mail.

Chargebee carries 651 GitHub stars across 45 public repos, with 20 repositories active in the last 90 days and 1 external contributors on record. Proton Mail shows 16,265 stars across 186 public repos, 19 active in the last 90 days and 20 external contributors. The star gap on its own does not decide the comparison, but Proton Mail's footprint is roughly 25.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Chargebee is the stronger read for anyone weighting education. Proton Mail 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.