ActiveCampaign vs Customer IO

ActiveCampaign and Customer IO both appear on the Smoower Developer Ecosystem Index.

Customer IO (rank #165) holds a modest lead over ActiveCampaign (rank #485) on the overall Smoower ecosystem score (51 vs 38). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

ActiveCampaign carries 6,653 GitHub stars across 88 public repos, with 6 repositories active in the last 90 days and 3 external contributors on record. Customer IO shows 684 stars across 107 public repos, 42 active in the last 90 days and 26 external contributors. The star gap on its own does not decide the comparison, but ActiveCampaign's footprint is roughly 9.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

ActiveCampaign is the stronger read for anyone weighting code quality. Customer IO looks better where momentum 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.