# Customer IO — developer ecosystem report

- GitHub org: `customerio`
- Category: saas
- Overall score: 54.0 / 100
- Overall rank: #160
- Last refreshed: 2026-08-14

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 55.0 | #337 | ~22% |
| Education | 79.0 | #122 | ~18% |
| AI readiness | 49.0 | #187 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 34.0 | #464 | ~16% |
| Reach | 59.0 | #177 | ~18% |
| Momentum | 38.0 | #367 | ~14% |

## Links

- GitHub: https://github.com/customerio
- Website: https://customer.io
- Docs: https://docs.customer.io

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 690 |
| Forks | 347 |
| Open issues | 178 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [esdb](https://github.com/customerio/esdb) | 72 | Go | Event-stream flat file database - Immutable storage for timestamped event streams |
| [customerio-ruby](https://github.com/customerio/customerio-ruby) | 69 | Ruby | A ruby client for the Customer.io event API. |
| [customerio-node](https://github.com/customerio/customerio-node) | 66 | TypeScript | A node.js client for the Customer.io REST API. |
| [customerio-python](https://github.com/customerio/customerio-python) | 65 | Python | Official Python Client for the customer.io API |
| [fairway](https://github.com/customerio/fairway) | 61 | Go | A fair way to queue messages in multi-user systems. |
| [howtotarget](https://github.com/customerio/howtotarget) | 54 | SCSS | Email development techniques for singling out email clients and platforms. |
| [customerio-reactnative](https://github.com/customerio/customerio-reactnative) | 40 | TypeScript | — |
| [customerio-ios](https://github.com/customerio/customerio-ios) | 35 | Swift | Official Customer.io SDK for iOS. Track customers and send messages to your iOS app.  |
| [go-customerio](https://github.com/customerio/go-customerio) | 30 | Go | Official Golang client for the Customer.io API |
| [ember-provide-consume-context](https://github.com/customerio/ember-provide-consume-context) | 28 | TypeScript | Sharing context values with nested components |
| [customerio-expo-plugin](https://github.com/customerio/customerio-expo-plugin) | 18 | TypeScript | — |
| [customerio-android](https://github.com/customerio/customerio-android) | 17 | Kotlin | This is the official Customer.io SDK for Android. |

## Methodology

Scores are computed from public signals only (GitHub, package registries, docs sites, community platforms). Pillar definitions: https://www.smoower.com/docs.md

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