Customer IO vs Smartsheet

Customer IO and Smartsheet (Opensource SDKs for the Smartsheet collaborative work management platform) both appear on the Smoower Developer Ecosystem Index.

Customer IO (rank #165) holds a narrow lead over Smartsheet (rank #338) on the overall Smoower ecosystem score (51 vs 43). 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), Customer IO is ahead of Smartsheet. On education (docs, guides and learning material for developers), Smartsheet is slightly ahead of Customer IO. On community (issue response, PR reviews and discussion health), Smartsheet is slightly ahead of Customer IO. On reach (how visible the ecosystem is beyond its own repos), Customer IO is slightly ahead of Smartsheet. On momentum (release cadence and how fast the ecosystem moves), Customer IO is ahead of Smartsheet.

Customer IO carries 684 GitHub stars across 107 public repos, with 42 repositories active in the last 90 days and 26 external contributors on record. Smartsheet shows 150 stars across 11 public repos, 8 active in the last 90 days and 15 external contributors. The star gap on its own does not decide the comparison, but Customer IO's footprint is roughly 4.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Customer IO is the stronger read for anyone weighting momentum. Smartsheet looks better where education 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.