Developer ecosystem comparison
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Expel, Inc. vs Proton Mail

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

Expel, Inc. and Proton Mail both appear on the Smoower Developer Ecosystem Index.

Proton Mail (rank #401) holds a narrow lead over Expel, Inc. (rank #430) on the overall Smoower ecosystem score (41 vs 40). The gap of 1 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 Expel, Inc.. On education (docs, guides and learning material for developers), Expel, Inc. is ahead of Proton Mail. On community (issue response, PR reviews and discussion health), Proton Mail is ahead of Expel, Inc.. On reach (how visible the ecosystem is beyond its own repos), Proton Mail is ahead of Expel, Inc.. On momentum (release cadence and how fast the ecosystem moves), Proton Mail is ahead of Expel, Inc..

Expel, Inc. carries 73 GitHub stars across 28 public repos, with 3 repositories active in the last 90 days and 2 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 222.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Expel, Inc. 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.

Side-by-side metrics

MetricExpel, Inc.Proton Mail
Ranking
Overall rank#430#401
Pillars
Overall4041
Code4564
Education6142
Community2746
Reach2444
Momentum4052
Builder experience00
Signals
Stars7316,265
Forks362,240
Public repos28186
Active repos (90d)319
External contributors220
Avg polish5174
Avg AI-readiness3432

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View Expel, Inc. developer profileView Proton Mail developer profile