
The Open Source Way
A podcast with open source enthusiasts about open source trends, topics and projects.
Latest episodes

Feb 26, 2025 • 35min
Asset Administration Shell
In this episode Karsten Hohage and Thiago Weber Martins, the product manager for AAS Digital Twins at SAP, take a deep dive into the Asset Administration Shell.
The host Karsten Hohage converses with Thiago Weber Martins, the product manager for AAS Digital Twins at SAP, about the Asset Administration Shell (AAS). Thiago takes us on a journey about what the AAS is, what the standards are, and where AAS and digital twins are used. Together they also talk about the original idea and goals of digital twins and how these developed over time.
Guests:
Thiago Weber Martins
Thiago is a Product Manager for AAS Digital Twins at SAP. His mission is to further develop digital twins based on standards within business applications and processes to ensure interoperability in industrial ecosystems.
He is therefore involved in the Industrial Digital Twin Association (IDTA) to drive the Asset Administration Shell (AAS) as the standard for digital twins. Thiago is also a project lead for the Eclipse AAS Model for Java and member of the Project Management Committee of the Eclipse Digital Twin Top-Level Project.
He holds a PhD in mechanical engineering from TU Darmstadt, where he focused on AI approaches to automate product development processes.
LinkedIn: https://www.linkedin.com/in/dr-thiago-weber-martins/
Show Notes:
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source Twitter (@sapopensource)
Email us: ospo@sap.com
Try out an open-source podcast player – find a list here (list not maintained by SAP)
Additional Downloads
Download the transcript as PDF file
Host:
Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post Asset Administration Shell first appeared on The Open Source Way.

Dec 17, 2024 • 45min
InnerSource Commons
A dive into the basics of InnerSource Commmons, the worlds largest community of InnerSource advocates.
In this episode, host Karsten Hohage speaks with Danese Cooper, Guilherme Dellagustin (SAP), and Russ Rutledge about InnerSource Commons. Founded in 2015, InnerSource Commons is the worlds largest community of InnerSource advocates. InnerSource Commons provides knowledge, best pratices, challenges, and solutions related to InnerSource for organizations and individuals.
Guests:
Danese Cooper
Danese Cooper is a well-known advocate for open source. She is also the founder of the InnerSource Commons Foundation. During her career in tech, she has focused on manifesting better software engineering outcomes by fostering healthy community practices and implementing transparent processes. She says that she abhors silos.
GitHub: https://github.com/danese
Russ Rutledge
Russ Rutledge is the Executive Director of the InnerSource Commons. He also serves as Senior Director of InnerSource and collaboration at WellSky, the health technology company leading the charge to make healthcare better for everyone. And Russ’s drive and passion is to enable all software engineers worldwide to achieve incredible results via streamlined collaborative InnerSource processes.
GitHub: https://github.com/rrrutledge
Guilherme Dellagustin
I am a software developer who acts as InnerSource Officer at SAP. I’m also a member of the InnerSource Commons foundation. As InnerSource officer, I co-lead the InnerSource program at SAP, helping spread the practice in the company, and as member of foundation, I do the same, but to spread the practice in the whole industry. I was also the producer of this very podcast in 2023. In my free time, I talk about retrogaming (in portuguese) at the podcast “Fliperama de Boteco”.
GitHub: https://github.com/dellagustin-sap
Show Notes:
Download the transcript as PDF file
InnerSource Commons: https://innersourcecommons.org/
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source on X (Twitter)
Email us: ospo@sap.com
Try out an open-source podcast player – find a list here (list not maintained by SAP)
Host:
Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post InnerSource Commons first appeared on The Open Source Way.

Oct 24, 2024 • 36min
SAP R3 Port to Linux
A little time jump into the past when Christoph Roland and Harald Kuck ported SAP software stack to Linux.
In this episode, host Karsten Hohage speaks with Christoph Roland (former SAP) and Harald Kuck (SAP) about the past – when they both ported SAP software stack to Linux back in the 90s. Today Linux provides an open-source-based operating system infrastructure for SAP solutions. In the podcast Christoph and Harald share anecdotes and insides from the very beginning of Open Source and SAP.
Guests:
Christoph Rohland
Chrstoph Rohland discovered Linux at university in early 1993 and was convinced that Linux it had a great future. He joined SAP in 1994 where he started in the support organization, but soon joined Harald’s development team. Christoph took care of SAP’s network library – and ported the SAP stack to Linux. He then founded the SAP LinuxLab. Later he took on several management roles. He left SAP in 2008 to pursue other opportunities.
GitHub: https://github.com/hcrohland
Harald Kuck
Harald Kuck led SAP’s ABAP Platform unit until March 2024 and is now retiring. He started his career at Siemens and Karlsruhe University, before joining SAP in 1989, where he was part of the team implementing the R/3 kernel in C. Since then, Harald has founded several SAP technology development teams, including the SAP JVM team in the Java space or the Steampunk team in the ABAP space. One of the highlights of his 38-year career was initiating SAP’s move to Linux and open source, together with Christoph, in 1999.
Show Notes:
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source on X (Twitter)
Email us: ospo@sap.com
Try out an open-source podcast player – find a list here (list not maintained by SAP)
Additional Downloads
Download the transcript as PDF file
Host:
Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post SAP R3 Port to Linux first appeared on The Open Source Way.

Sep 18, 2024 • 24min
CAP Operator
What is CAP Operator, what are its main features, and how does it function?
In this episode, host Karsten Hohage speaks with Sathyajith Krishnan (SAP) and Pavan Nayak (SAP) about CAP Operator – which deploys and manages the lifecycle of multi-tenant SAP Cloud Application Programming Model applications and related components, based on SAP BTP golden path, within a Kubernetes cluster.
Sathyajith and Pavan explain the main features of CAP Operator and share an overview of the major automation steps handled by CAP Operator during the deployment of the application. The conversation also covers the operator’s evolution from an internal solution to an open-source resource, the foundational knowledge needed for users, and future enhancements planned for better integration and community engagement.
Guests:
Sathyajith Krishnan is a Development Architect focused on building platform components which enable ease of consumption as well as access to the latest technologies for developers building business applications. For the past 16 years he has worked as part of product development teams as well as Customer specific implementation projects at SAP which has helped him gain unique perspectives on how to develop platform capabilities for both internal development teams as well as the external ecosystem.
GitHub: https://github.com/skrishnan-sap/
Pavan Nayak is an architect in the Cloud ERP area with 17 years of experience across different projects at SAP. Perhaps this may be of interest to Open Source Way listeners: Pavan was also part of UI5 within SAP and has interest in several Open Source projects in his private life outside SAP, most prominently the custom ROM scene with AOSP (esp. LineageOS).
GitHub: https://github.com/Pavan-SAP
Show Notes:
Links
SAP Cloud Application Programming Model (CAP): https://cap.cloud.sap
CAP Operator GitHub: https://github.com/SAP/cap-operator
CAP SAP Community page: https://pages.community.sap.com/topics/cloud-application-programming
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source Twitter
Email us: ospo@sap.com
Additional Downloads
Download transcript as PDF file
Host:
Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post CAP Operator first appeared on The Open Source Way.

Jul 22, 2024 • 27min
Garden Linux
In this episode, host Karsten Hohage speaks with Florian Wilhelm (SAP) about Project Garden Linux – a lightweight, secure Linux distribution optimized for cloud-native environments and container workloads, offering minimal footprint and high performance. Florian also explains what the ‘new Linux’ is, why it’s needed and why the new Linux is of interest for open source, the community and for SAP.
Guest:
Florian Wilhelm
Florian is a senior software developer with a passion for Linux and Free Open-Source Software. He worked on Java-based projects before joining SAP in Potsdam in 2017 where he contributed to multiple projects, most notably the SAP Cloud SDK and Project ‘Piper’. He joined the project ‘Garden Linux’ team fulltime in 2024 after he got to know the team while doing a fellowship where he implemented a proof of concept for safe in-place upgrades using OSTree in Garden Linux.
LinkedIn: https://www.linkedin.com/in/fwilhe/
GitHub: https://github.com/fwilhe
Show Notes:
Garden Linux on GitHub: https://github.com/gardenlinux
Blog post series on OSTree Proof of Concept for Garden Linux: https://blogs.sap.com/2023/07/10/making-an-immutable-image-based-operating-system-out-of-garden-linux/
Getting started with the Garden Linux Builder: https://github.com/gardenlinux/builder/blob/main/docs/getting_started.md
Garden Linux docs for developers and admins: https://github.com/gardenlinux/gardenlinux/blob/main/docs/README.md
Florian’s GitHub profile: https://github.com/fwilhe
Florian’s LinkedIn profile: https://www.linkedin.com/in/fwilhe
SAP Open Source Program OfficeSAP Open Source at SAP Community
SAP Open Source Twitter (@sapopensource)
e-mail – ospo@sap.com
Try out an open-source podcast player – find a list here (list not maintained by SAP)
Hosted by Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post Garden Linux first appeared on The Open Source Way.

Jun 14, 2024 • 28min
Open Resource Discovery (ORD)
Experts Mirko Boehm, Mike Milinkovich, and Sebastian Wolf discuss the EU Cyber Resilience Act's impact on open source software and technology regulations in the European market. Topics include secure software development, supply chain security, and the alignment of industry interests with open source communities under the CRA.

May 15, 2024 • 26min
abapGit
Introducing abapGit – an open source Git client. In this Podcast episode, we explain and discuss what abapGit is, how it works, what it’s needed for, and how it can be used.
In this episode, host Karsten Hohage speaks with Michael Schneider and Marc Bernard about abapGit – an open source Git client developed for the ABAP server to import and export objects between ABAP systems. In the discussion, Marc explains the basics of abapGit, and how it works. He also shares what abapGit is needed for, and how it can be used. Michael gives us some insights about SAP’s involvement in the development of abapGit and invites the listeners to explore more ABAP open source projects.
Guests:
Michael Schneider
For over ten years, Michael has held the product owner role, handling various topics related to ABAP developer tools. Previously, he was a developer in the same field and was part of the pioneering team that built ABAP development tools in Eclipse. He is responsible for various tools in this area, including the ABAP class editor.
More recently, he and his team launched and are actively maintaining two open source repositories focusing on ABAP file formats.
GitHub-Link: https://github.com/schneidermic0
Marc Bernard
Marc Bernard is a distinguished technology architect with a rich history at SAP as a Sr. Chief Architect, specializing in in-memory computing and data warehousing. His strategic vision contributed significantly to SAP HANA and BW/4HANA’s success, earning him a reputation as a trusted advisor for SAP customers.
In 2019, Marc founded Marc Bernard Tools, focusing on pioneering ABAP open source tools. He’s a lead maintainer for abapGit and contributes to ABAP and JavaScript open source projects, demonstrating his unwavering commitment to the tech community. Marc is a recognized speaker at industry events and is set to present at ABAPConf in June 2024.
Twitter: https://twitter.com/marcfbe
LinkedIn: https://linkedin.com/in/marcfbe
GitHub-Link: https://github.com/mbtools
Show Notes:
Links
abapGit – A git client for ABAP developed in ABAP
GitHub – abapGit/abapGit: Git client for ABAP
GitHub – ABAP file format repository
Working with abapGit | SAP Help Portal
ABAPConf Europe 2024
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source Twitter (@sapopensource)
e-mail – ospo@sap.com
Try out an open source podcast player (list not maintained by SAP)
Additional Downloads
Download the transcript as PDF-file
Hosted by Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post abapGit first appeared on The Open Source Way.

Apr 4, 2024 • 37min
EU Cyber Resilience Act (CRA)
In this episode, host Karsten Hohage discusses the European Cyber Resilience Act (CRA) with Mirko Boehm, Mike Milinkovich, and Sebastian Wolf. Our guests explain what the Cyber Resilience Act (CRA) is and why it is important to virtually everyone in the EU and anyone who wants to do business in the European market. What has the journey of the CRA been until now, and what are the next steps in the evolution of CRA? How will the CRA impact the consumption and contribution of Open Source Software?
Guests:
Mike Milinkovich
Mike Milinkovich is a seasoned technology executive with a wealth of experience in leading open source software organizations. For the past 20 years, Mike has served as the Executive Director of the Eclipse Foundation, where he has played a pivotal role in driving innovation and fostering industry collaboration within the Eclipse community. Mike has served on the boards of Open Source Initiative, the Java Community Process, and the OpenJDK community where he championed industry adoption of open-source technologies and standards.
LinkedIn – https://www.linkedin.com/in/mikemilinkovich/
Twitter / X – https://twitter.com/mmilinkov
Mirko Bohm
Mirko Boehm is a prominent figure in the open-source software community, known for his expertise in software development, leadership, and advocacy. He is currently working as Senior Director, Community Development, Linux Foundation Europe. As a seasoned technologist and entrepreneur, he has held leadership roles in both technical and managerial capacities, demonstrating a unique blend of technical acumen and strategic thinking. Mirko is passionate about fostering collaboration and innovation within the open-source ecosystem, and he is actively involved in promoting the principles of openness, transparency, and community-driven development.
LinkedIn – https://www.linkedin.com/in/mirkoboehm/
Twitter / X – https://twitter.com/mirkoboehm
Sebastian Wolf
Sebastian is a development architect and has worked for the SAP OSPO since the beginning of 2020. He first joined SAP in 2003 as a student and has since worked in several development positions at, for example, SAP SRM, ABAP Development Tools, the SAP Community Network, and Central Architecture. He was engaged at the Corona-Warn-App project as a community manager from the very beginning and is now coordinating open-source consumption topics in the SAP OSPO.
Twitter: https://twitter.com/Ygriega
GitHub: https://github.com/Wunderfitz
Show Notes:
Links
https://digital-strategy.ec.europa.eu/en/policies/cyber-resilience-act
https://www.eclipse.org/
https://linuxfoundation.eu/
FOSDEM 24 EU Legislative Landscape Devroom: https://fosdem.org/2024/schedule/track/eu-policy/
SAP Open Source Program Office
SAP Open Source at SAP Community
SAP Open Source Twitter (@sapopensource)
e-mail – ospo@sap.com
Try out an open-source podcast player – find a list here (list not maintained by SAP)
Additional Downloads
Download the transcript as PDF-file
Hosted by Karsten Hohage – Product Expert in Technology and Innovation (T&I)
LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/
The post EU Cyber Resilience Act (CRA) first appeared on The Open Source Way.

12 snips
Feb 28, 2024 • 35min
Open Source and Universities
Clare Dillon, an open source advocate, discusses collaborative open-source development at universities. Topics include challenges and benefits of academia-driven approaches, the rise of open research in universities, managing intellectual property, and fostering collaboration for sustainable industry progress.

Dec 20, 2023 • 32min
Sovereign Tech Fund – Investing in the Future Today
In this episode, our host talks to Powen Shiah and Mirko Swillus about the Sovereign Tech Fund, which focuses on critical infrastructure in the public interest. They discuss the types of technologies the fund invests in, the criteria for applying, and the importance of maintenance and security updates. The goal is to strengthen innovation, economic competition, and democracy.
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