3.2 Currently running Open Source projects
The following list provides an overview of the largest projects with a significant Open Source component undertaken by the City of Vienna in recent years:
Red Hat Innovation Award 2025
The City of Vienna was honored with the Red Hat Innovation Award 2025 for its innovative AI solution “WienKI”.
The award recognizes organizations that achieve outstanding success using Open Source technologies. Wien Digital, the IT department of the City of Vienna, developed “WienKI”, an assistant that has been available to 70,000 employees of the City of Vienna since 2023 to support them in their daily work.
- Data Center modernization with Red Had OpenShift: The City of Vienna’s data center was modernized with a Kubernetes-based container infrastructure – over two million euros were invested to enable the scalability.
- Managing documents with Alfresco: The Open Source platform offers reliable and secure document management. Alfresco is operated on-premises in the City of Vienna’s data center. To promote digital sovereignty, the city allocates over one million euros annually. Currently, more than 9,000 licenses are active, and the service is available to all customers of Wien Digital.
- Open Source in GEO-specialized areas: In GEO-specific domains, the Open Source tools MapLibre, OpenLayers, Masterportal, GeoServer, and QGIS are used to enable efficient and flexible solutions for processing and visualizing geographic data.
- Developer Workstation with Open Source components: The developer workstation of the City of Vienna enables modern software development using established Open Source technologies. Open Source frameworks and libraries are widely used in the DevSecOps (Development, Security, and Operations) area to promote flexibility, security, and innovation.
Overview of DevSecOps solutions

Open Source Solutions | Proprietary Solutions | |
|---|---|---|
Self-Service Platform | Backstage Framework Discourse Platform | |
Plan | Atlassian JIRA Atlassian Confluence Microsoft Azure DevOps | |
Code | Git Control System Visual Studio Code | Microsoft Visual Studio |
Build/Deploy | Apache Maven Tekton Framework Gradle Build Tool Chocolatey Software Ansible Suite Sonarqube Plattform Jenkins Automation Rpm Package Manager | Sonatype Nexus Repository Microsoft Azure DevOps Microsoft Build GitHub Enterprise |
Test | Cypress Testing Framework Nunit Testing Framework Selenium Testing Framework Apache JMeter Playwright Framework SoupUI API Testing Tool | Postman Plattform Tricentis Tosca |
Databases | PostgreSQL | SQL Server Management Studio (SMSS) Microsoft SQL Server |
Operate | Docker/ Podman Containers Kubernetes Cluster ArgoCD Controller RedHat OpenShift | HashiCorp Terraform Windows Server |
Monitor | Icinga Monitoring Elastic Stack | Nagios XI Monitoring Azure Application Insights |