# OTTO GmbH & Co. KGaA — developer ecosystem report

> Our vision is "Responsible commerce that inspires" and we believe open source is a key part of achieving this.

- GitHub org: `otto-de`
- Category: other
- Overall score: 40.0 / 100
- Overall rank: #455
- Last refreshed: 2026-08-19

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 62.0 | #202 | ~22% |
| Education | 72.0 | #256 | ~18% |
| AI readiness | 17.0 | #648 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 49.0 | #174 | ~16% |
| Reach | 0.0 | #1070 | ~18% |
| Momentum | 31.0 | #480 | ~14% |

## Links

- GitHub: https://github.com/otto-de
- Website: https://dev.otto.de

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 1,758 |
| Forks | 453 |
| Open issues | 295 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [recsys-dataset](https://github.com/otto-de/recsys-dataset) | 390 | Python | 🛍 A real-world e-commerce dataset for session-based recommender systems research. |
| [tesla-microservice](https://github.com/otto-de/tesla-microservice) | 195 | Clojure | Common basis for some of otto.de's clojure microservices |
| [gitactionboard](https://github.com/otto-de/gitactionboard) | 159 | Java | GitactionBoard - Ultimate Dashboard for GithubActions. |
| [edison-microservice](https://github.com/otto-de/edison-microservice) | 133 | Java | Collection of independent libraries on top of Spring Boot to provide a faster setup of JVM microservices |
| [jlineup](https://github.com/otto-de/jlineup) | 89 | Java | An easy-to-use visual acceptance test tool to automatically detect design changes of your website. Works on the command  |
| [TRON](https://github.com/otto-de/TRON) | 74 | Python | ⚡️ Implementation of TRON: Transformer Recommender using Optimized Negative-sampling, accepted at ACM RecSys 2023. |
| [flummi](https://github.com/otto-de/flummi) | 59 | Java | Flummi Elastic Search HTTP REST Client |
| [hmac-auth](https://github.com/otto-de/hmac-auth) | 55 | Java | HMAC authentication for RESTful web applications |
| [api-guidelines](https://github.com/otto-de/api-guidelines) | 50 | TypeScript | A set of rules to build consistent and high quality REST and Async APIs at OTTO. |
| [edison-hal](https://github.com/otto-de/edison-hal) | 47 | Java | A library to parse and render application/hal+json documents in Java |
| [MultiTRON](https://github.com/otto-de/MultiTRON) | 44 | Python | 🤹 MultiTRON: Pareto Front Approximation for Multi-Objective Session-Based Recommender Systems, accepted at ACM RecSys 2 |
| [PyPruningRadixTrie](https://github.com/otto-de/PyPruningRadixTrie) | 42 | Python | PyPruningRadixTrie - Python version of super fast Radix trie for prefix search & auto-complete |

## 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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