BookStackApp vs Customer IO
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
BookStackApp and Customer IO both appear on the Smoower Developer Ecosystem Index.
Customer IO (rank #165) holds a modest lead over BookStackApp (rank #401) on the overall Smoower ecosystem score (51 vs 41). The gap of 10 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 BookStackApp. On education (docs, guides and learning material for developers), Customer IO is ahead of BookStackApp. On community (issue response, PR reviews and discussion health), BookStackApp is slightly ahead of Customer IO. On reach (how visible the ecosystem is beyond its own repos), Customer IO is slightly ahead of BookStackApp. On momentum (release cadence and how fast the ecosystem moves), BookStackApp is clearly ahead of Customer IO.
BookStackApp carries 19,167 GitHub stars across 6 public repos, with 1 repositories active in the last 90 days and 5 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 BookStackApp's footprint is roughly 28.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
BookStackApp is the stronger read for anyone weighting momentum. Customer IO 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.
Side-by-side metrics
| Metric | BookStackApp | Customer IO |
|---|---|---|
| Ranking | ||
| Overall rank | #401 | #165 |
| Pillars | ||
| Overall | 41 | 51 |
| Code | 45 | 54 |
| Education | 69 | 80 |
| Community | 40 | 35 |
| Reach | 37 | 40 |
| Momentum | 68 | 45 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 19,167 | 684 |
| Forks | 2,677 | 346 |
| Public repos | 6 | 107 |
| Active repos (90d) | 1 | 42 |
| External contributors | 5 | 26 |
| Avg polish | 56 | 54 |
| Avg AI-readiness | 18 | 46 |