# Zalando SE — developer ecosystem report

> The org page for Zalando, Europe's leading online fashion platform. Visit opensource.zalando.com for project stats.

- GitHub org: `zalando`
- Category: dev_tool
- Overall score: 50.0 / 100
- Overall rank: #214
- Last refreshed: 2026-08-13

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 72.0 | #83 | ~22% |
| Education | 83.0 | #55 | ~18% |
| AI readiness | 17.0 | #648 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 50.0 | #157 | ~16% |
| Reach | 48.0 | #349 | ~18% |
| Momentum | 30.0 | #504 | ~14% |

## Links

- GitHub: https://github.com/zalando
- Website: https://tech.zalando.com

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 37,197 |
| Forks | 6,225 |
| Open issues | 1,796 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [postgres-operator](https://github.com/zalando/postgres-operator) | 5,222 | Go | Postgres operator creates and manages PostgreSQL clusters running in Kubernetes |
| [skipper](https://github.com/zalando/skipper) | 3,315 | Go | An HTTP router and reverse proxy for service composition, including use cases like Kubernetes Ingress |
| [restful-api-guidelines](https://github.com/zalando/restful-api-guidelines) | 3,225 | CSS | A model set of guidelines for RESTful APIs and Events, created by Zalando |
| [zalenium](https://github.com/zalando/zalenium) | 2,364 | Java | A flexible and scalable container based Selenium Grid with video recording, live preview, basic auth & dashboard. |
| [logbook](https://github.com/zalando/logbook) | 2,058 | Java | An extensible Java library for HTTP request and response logging |
| [SwiftMonkey](https://github.com/zalando/SwiftMonkey) | 1,936 | Swift | A framework for doing randomised UI testing of iOS apps |
| [tech-radar](https://github.com/zalando/tech-radar) | 1,935 | — | Visualizing our technology choices |
| [spilo](https://github.com/zalando/spilo) | 1,853 | Python | Highly available elephant herd: HA PostgreSQL cluster using Docker |
| [tailor](https://github.com/zalando/tailor) | 1,737 | JavaScript | A streaming layout service for front-end microservices |
| [go-keyring](https://github.com/zalando/go-keyring) | 1,310 | Go | Cross-platform keyring interface for Go |
| [intellij-swagger](https://github.com/zalando/intellij-swagger) | 1,174 | Java | A plugin to help you easily edit Swagger and OpenAPI specification files inside IntelliJ IDEA |
| [problem-spring-web](https://github.com/zalando/problem-spring-web) | 1,071 | Java | A library for handling Problems in Spring Web MVC |

## 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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