# Expedia Group Open Source — developer ecosystem report

- GitHub org: `ExpediaGroup`
- Category: dev_tool
- Overall score: 48.0 / 100
- Overall rank: #266
- Last refreshed: 2026-08-21

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 76.0 | #42 | ~22% |
| Education | 72.0 | #309 | ~18% |
| AI readiness | 16.0 | #663 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 45.0 | #250 | ~16% |
| Reach | 40.0 | #500 | ~18% |
| Momentum | 39.0 | #350 | ~14% |

## Links

- GitHub: https://github.com/ExpediaGroup
- Website: https://opensource.expediagroup.com

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 6,456 |
| Forks | 1,512 |
| Open issues | 934 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [graphql-kotlin](https://github.com/ExpediaGroup/graphql-kotlin) | 1,802 | Kotlin | Libraries for running GraphQL in Kotlin |
| [cyclotron](https://github.com/ExpediaGroup/cyclotron) | 1,541 | CoffeeScript | A web platform for constructing dashboards. |
| [waggle-dance](https://github.com/ExpediaGroup/waggle-dance) | 288 | Java | Hive federation service. Enables disparate tables to be concurrently accessed across multiple Hive deployments. |
| [styx](https://github.com/ExpediaGroup/styx) | 263 | Java | Programmable, asynchronous, event-based reverse proxy for JVM. |
| [adaptive-alerting](https://github.com/ExpediaGroup/adaptive-alerting) | 212 | Java | Anomaly detection for streaming time series, featuring automated model selection. |
| [bull](https://github.com/ExpediaGroup/bull) | 197 | Java | BULL - Bean Utils Light Library |
| [jenkins-spock](https://github.com/ExpediaGroup/jenkins-spock) | 189 | Groovy | Unit-test Jenkins pipeline code with Spock |
| [jarviz](https://github.com/ExpediaGroup/jarviz) | 164 | Java | Jarviz is dependency analysis and visualization tool designed for Java applications |
| [c3vis](https://github.com/ExpediaGroup/c3vis) | 163 | JavaScript | Visualize the resource utilisation of Amazon ECS clusters |
| [stream-registry](https://github.com/ExpediaGroup/stream-registry) | 124 | Java | Stream Discovery and Stream Orchestration |
| [expediagroup.github.io](https://github.com/ExpediaGroup/expediagroup.github.io) | 97 | JavaScript | The Expedia Group Open Source portal, a website for discovering EG open source projects. |
| [circus-train](https://github.com/ExpediaGroup/circus-train) | 92 | Java | Circus Train is a dataset replication tool that copies Hive tables between clusters and clouds. |

## 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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