Repositories list

• skipper

  Public
  An HTTP router and reverse proxy for service composition, including use cases like Kubernetes Ingress

  gokubernetescloud+ 10

  gokubernetescloudrouterproxyhttp-proxyetcdingress-controllerkubernetes-ingresseskip+ 3

  Go

  •

  Other

  •385385 forks•3.3k3.3k stars•258258 issues•4646 pull requests•Updated Apr 20, 2026Apr 20, 2026

• postgres-operator

  Public

  zalando/postgres-operator’s past year of commit activity
  Postgres operator creates and manages PostgreSQL clusters running in Kubernetes

  kubernetesgolangpostgres+ 7

  kubernetesgolangpostgresclusterpostgresqldatabase-as-a-serviceoperatordata-infrastructuremanaged-servicespostgres-operator

  Go

  •

  MIT License

  •1.1k1.1k forks•5.1k5.1k stars•469469 issues•102102 pull requests•Updated Apr 20, 2026Apr 20, 2026

• logbook

  Public

  zalando/logbook’s past year of commit activity
  An extensible Java library for HTTP request and response logging

  javaspring-bootmonitoring+ 11

  javaspring-bootmonitoringloggerlogbooklogginglogsspring-boot-starterclient-sideserver-side+ 4

  Java

  •

  MIT License

  •275275 forks•2k2k stars•2020 issues•88 pull requests•Updated Apr 20, 2026Apr 20, 2026

• spilo

  Public

  zalando/spilo’s past year of commit activity
  Highly available elephant herd: HA PostgreSQL cluster using Docker

  pythondockerdocker-image+ 4

  pythondockerdocker-imagepostgresqlhigh-availabilitypatronidata-infrastructure

  Python

  •

  Apache License 2.0

  •454454 forks•1.8k1.8k stars•105105 issues•3838 pull requests•Updated Apr 20, 2026Apr 20, 2026

• problem

  Public

  zalando/problem’s past year of commit activity
  A Java library that implements application/problem+json

  javajsonmicroservices+ 4

  javajsonmicroservicesexceptionerrorproblemrfc7807

  Java

  •

  MIT License

  •9595 forks•946946 stars•1010 issues•1010 pull requests•Updated Apr 20, 2026Apr 20, 2026

• riptide

  Public

  zalando/riptide’s past year of commit activity
  Client-side response routing for Spring

  javahttpmicroservices+ 9

  javahttpmicroserviceswebspringasyncroutingspring-boot-starterclient-sideresilience+ 2

  Java

  •

  MIT License

  •7676 forks•338338 stars•66 issues•44 pull requests•Updated Apr 20, 2026Apr 20, 2026

• hotvect

  Public

  zalando/hotvect’s past year of commit activity
  A feature engineering and serving library

  Java

  •

  Apache License 2.0

  •22 forks•00 stars•00 issues•00 pull requests•Updated Apr 17, 2026Apr 17, 2026

• spring-cloud-config-aws-kms

  Public

  zalando/spring-cloud-config-aws-kms’s past year of commit activity
  Spring Cloud AWS add-on that provides encryption via AWS KMS

  javaawscloud+ 7

  javaawscloudspringspring-bootaws-kmsspring-cloudspring-boot-starterspring-cloud-awsspring-boot-3

  Java

  •

  Apache License 2.0

  •3636 forks•109109 stars•00 issues•55 pull requests•Updated Apr 17, 2026Apr 17, 2026

• tech-radar

  Public

  zalando/tech-radar’s past year of commit activity
  Visualizing our technology choices

  documentation

  documentation

  MIT License

  •721721 forks•1.9k1.9k stars•66 issues•44 pull requests•Updated Apr 15, 2026Apr 15, 2026

• restful-api-guidelines

  Public

  zalando/restful-api-guidelines’s past year of commit activity
  A model set of guidelines for RESTful APIs and Events, created by Zalando

  apidocumentationrest-api+ 4

  apidocumentationrest-apirestfulguidelineszalandorestful-api

  CSS

  •

  Creative Commons Attribution 4.0 International

  •443443 forks•3.2k3.2k stars•1313 issues•33 pull requests•Updated Apr 14, 2026Apr 14, 2026

• go-keyring

  Public

  zalando/go-keyring’s past year of commit activity
  Cross-platform keyring interface for Go

  golangauthenticationutilities+ 3

  golangauthenticationutilitiessecretdbuskeyring

  Go

  •

  MIT License

  •109109 forks•1.2k1.2k stars•2626 issues•77 pull requests•Updated Apr 7, 2026Apr 7, 2026

• problem-spring-web

  Public
  A library for handling Problems in Spring Web MVC

  javajsonweb+ 7

  javajsonwebspringspring-bootmicroserviceexceptionerrorproblemrfc7807

  Java

  •

  MIT License

  •132132 forks•1.1k1.1k stars•3434 issues•1818 pull requests•Updated Mar 23, 2026Mar 23, 2026

• public-presentations

  Public
  List of public talks by Zalando Tech: meetup presentations, recorded conference talks, slides

  6060 forks•193193 stars•1212 issues•00 pull requests•Updated Mar 22, 2026Mar 22, 2026

• otelcol-lightstep-receiver

  Public

  zalando/otelcol-lightstep-receiver’s past year of commit activity
  Go

  •

  MIT License

  •44 forks•88 stars•11 issue•11 pull request•Updated Mar 10, 2026Mar 10, 2026

• sans

  Public

  zalando/sans’s past year of commit activity
  Zalando Sans – Zalando's open source variable brand font family

  fonttypographysans-serif

  fonttypographysans-serif

  Python

  •

  SIL Open Font License 1.1

  •11 fork•5959 stars•66 issues•00 pull requests•Updated Mar 10, 2026Mar 10, 2026

• gin-oauth2

  Public
  Middleware for Gin Framework users who also want to use OAuth2

  oauth2authenticationauthorization+ 2

  oauth2authenticationauthorizationgingin-middleware

  Go

  •

  MIT License

  •7070 forks•622622 stars•77 issues•55 pull requests•Updated Mar 2, 2026Mar 2, 2026

• zally

  Public

  zalando/zally’s past year of commit activity
  A minimalistic, simple-to-use API linter

  kotlinapigolang+ 8

  kotlinapigolangspring-bootapi-managementlinterswaggeropenapihacktoberfestapi-linter+ 1

  Kotlin

  •

  MIT License

  •156156 forks•948948 stars•8282 issues•1414 pull requests•Updated Feb 7, 2026Feb 7, 2026

• backstage-plugin-api-linter

  Public
  API Linter is a quality assurance tool that checks the compliance of API's specifications to Zalando's API rules.

  TypeScript

  •

  MIT License

  •33 forks•1515 stars•22 issues•00 pull requests•Updated Jan 8, 2026Jan 8, 2026

• zalando.github.io

  Public
  Open Source Documentation and guidelines for Zalando developers

  documentation

  documentation

  HTML

  •

  MIT License

  •3737 forks•106106 stars•22 issues•00 pull requests•Updated Jan 7, 2026Jan 7, 2026

• intellij-swagger

  Public

  zalando/intellij-swagger’s past year of commit activity
  A plugin to help you easily edit Swagger and OpenAPI specification files inside IntelliJ IDEA

  javautilitiesintellij+ 3

  javautilitiesintellijswaggeropenapiswagger-plugin

  Java

  •

  MIT License

  •7676 forks•1.2k1.2k stars•3939 issues•66 pull requests•Updated Sep 30, 2025Sep 30, 2025

• rds-health

  Public

  zalando/rds-health’s past year of commit activity
  discover anomalies, performance issues and optimization within AWS RDS

  health-checkaws-rdsaws-rds-postgres+ 2

  health-checkaws-rdsaws-rds-postgresaws-rds-auroracloud-observability

  Go

  •

  MIT License

  •44 forks•3939 stars•66 issues•00 pull requests•Updated Aug 20, 2025Aug 20, 2025

• faux-pas

  Public

  zalando/faux-pas’s past year of commit activity
  A library that simplifies error handling for Functional Programming in Java

  javamonitoringfunctional-programming+ 3

  javamonitoringfunctional-programmingerror-handlingexception-handlingcompletable-future

  Java

  •

  MIT License

  •1414 forks•143143 stars•22 issues•1010 pull requests•Updated Jun 30, 2025Jun 30, 2025

• jackson-datatype-money

  Public archive

  zalando/jackson-datatype-money’s past year of commit activity
  Extension module to properly support datatypes of javax.money

  javamoneyjson+ 4

  javamoneyjsonmicroservicescurrencyjacksonmonetary

  Java

  •

  MIT License

  •4747 forks•265265 stars•11 issue•1010 pull requests•Updated Jun 27, 2025Jun 27, 2025

• opentracing-toolbox

  Public archive
  Best-of-breed OpenTracing utilities, instrumentations and extensions

  javahttpmonitoring+ 4

  javahttpmonitoringtracingspring-boot-starterplugin-extensionhttp-headers

  Java

  •

  MIT License

  •4646 forks•182182 stars•22 issues•1111 pull requests•Updated Jun 25, 2025Jun 25, 2025

• zappr

  Public archive

  zalando/zappr’s past year of commit activity
  An agent that enforces guidelines for your GitHub repositories

  githubagentintegration+ 3

  githubagentintegrationrepositoryguidelinesdeveloper-infrastructure

  JavaScript

  •

  Other

  •6161 forks•541541 stars•2626 issues•3737 pull requests•Updated Aug 27, 2024Aug 27, 2024

• zmon

  Public

  zalando/zmon’s past year of commit activity
  Real-time monitoring of critical metrics & KPIs via elegant dashboards, Grafana3 visualizations & more

  monitoringmetrics

  monitoringmetrics

  Shell

  •

  Other

  •4646 forks•358358 stars•66 issues•22 pull requests•Updated Jun 28, 2024Jun 28, 2024

• nakadi

  Public archive

  zalando/nakadi’s past year of commit activity
  A distributed event bus that implements a RESTful API abstraction on top of Kafka-like queues

  javamicroserviceskafka+ 6

  javamicroserviceskafkarestfulpostgresqlapisjava-8event-busdata-infrastructure

  Java

  •

  MIT License

  •295295 forks•968968 stars•3636 issues•1010 pull requests•Updated Apr 11, 2024Apr 11, 2024

• beard

  Public archive

  zalando/beard’s past year of commit activity
  A lightweight, logicless templating engine, written in Scala and inspired by Mustache

  web

  web

  Scala

  •

  Other

  •2828 forks•123123 stars•00 issues•00 pull requests•Updated Nov 13, 2023Nov 13, 2023

• expan

  Public

  zalando/expan’s past year of commit activity
  Open-source Python library for statistical analysis of randomised control trials (A/B tests)

  pythonstatisticsstatistical-analysis+ 5

  pythonstatisticsstatistical-analysisexperimentationab-testingabtestingcausal-inferenceabtest

  Python

  •

  MIT License

  •4949 forks•343343 stars•2727 issues•33 pull requests•Updated Apr 11, 2023Apr 11, 2023

• pg_view

  Public
  Get a detailed, real-time view of your PostgreSQL database and system metrics

  monitoring

  monitoring

  Python

  •

  Other

  •5050 forks•505505 stars•2323 issues•55 pull requests•Updated Mar 25, 2023Mar 25, 2023