Adyen vs Omnisend

Adyen and Omnisend (Omnisend’s AI-powered platform helps ecommerce brands centralize email, SMS, and popups with automation, segmentation, and AI content tools.) both appear on the Smoower Developer Ecosystem Index.

Adyen (rank #165) holds a modest lead over Omnisend (rank #625) on the overall Smoower ecosystem score (51 vs 33). The gap of 18 points reflects composite signals across code, docs, community and reach.

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

Adyen carries 2,684 GitHub stars across 65 public repos, with 49 repositories active in the last 90 days and 39 external contributors on record. Omnisend shows 5 stars across 18 public repos, 9 active in the last 90 days and 4 external contributors. The star gap on its own does not decide the comparison, but Adyen's footprint is roughly 536.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Adyen is the stronger read for anyone weighting code quality. Omnisend 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.