Sponsoring

Pengutronix

Pengutronix Pengutronix was founded in 2001 as one of the first embedded Linux companies in Germany and provides professional services for the use of Linux in industrial applications. The offer includes consulting, training and contract development, from the low-level operating system up to the application-related infrastructure components. The focus of development is on long-term maintainable and secure systems, including testing and updates in the field.

Our team is closely rooted in the international open source community. In the meantime, over 7000 patches have been incorporated into the Linux kernel as part of our "mainline-first" approach in many industry projects. Our customers benefit from this just as much as our employees, some of whom can fill maintainer roles in Linux and other open source projects during working hours.

TQ-Systems

The TQ Group was founded in 1994 as a two-person company. Today, it comprises around 2,200 employees at 13 locations in Germany, Hungary, Slovenia, the USA, and China. As one of the largest technology service providers and electronics specialists in Germany, the TQ Group realizes tailored, innovative solutions for various industries, both in hardware and software – from development through production and additional services to product lifecycle management.

This means that TQ offers expertise, experience, and foresight in areas such as E²MS, Embedded Modules, Motors and Electronic Drives, Cobot and Automation Solutions, Medical Technology, and Aviation/Avionics. TQ is also consistently growing with a diverse portfolio of proprietary products in economically current megatrends such as robotics, digitalization, Industry 4.0, artificial intelligence, e-mobility, or energy management. Both service expertise and proprietary developments are combined by the TQ Group as an Original Design or Equipment Manufacturer (ODM/OEM).

Based on a broad service and solution portfolio, internationally customized products are developed and produced – all "Made in Germany." In the fiscal year 2022/2023, the worldwide total revenue of the owner-managed company exceeded 517 million euros. Further information is available at: www.tq-group.com/en/

Raritan Deutschland GmbH

As a company of the Legrand Group, Raritan is focused on the development of power management and Remote control solutions for data centres. The work of our employees in Zwickau extends over the entire range of software development: from programming microcontrollers through application development in GNU / Linux systems up to the creation of web interfaces. The extensive customer base ranges from Government authorities and TV stations up to a numerous international operators of large data centres. We support these projects actively through troubleshooting and patches.

B1 Systems

B1 Systems GmbH is a provider of Linux/Open Source consulting, training, managed service & support. More than 140 Linux experts offer tailor-made solutions based on virtualization, containerization, HA & cloud computing as well as monitoring, system & configuration management. We contribute to upstream development and thus turn Open Source innovation into Enterprise reliability & performance — nationally & internationally.

GISA GmbH

As an IT specialist and certified cloud service provider, GISA offers comprehensive IT solutions: from strategy and consulting to development and implementation through to the outsourcing of complete business processes and IT infrastructures. The company operates throughout Germany as one of the leading industry experts for the energy industry and the public sector, particularly for universities and research institutions, and provides a comprehensive portfolio of solutions for medium-sized industrial companies. GISA employs more than 900 people at its headquarters in Halle (Saale) and four other locations in Berlin, Cottbus, Leipzig and Chemnitz. Awarded the “audit berufundfamilie” certificate, the IT service provider is one of the companies in Germany that offer an excellent work-life balance.

Menzel IT

High-performance infrastructures – that is the focus of Menzel IT GmbH. Because we are the high-performance nerds - specialists customized and secure high-performance IT infrastructures.

We rely entirely on open source software for the design, construction and support of HPC or AI clusters and high-performance private cloud solutions.

Whether high-performance computing for simulations in science and research or on-prem cloud infrastructures and artificial intelligence with high security and data protection standards for companies and public bodies - we enjoy combining the latest hardware with modern open source technologies. If you want to know more about us: Talk to us or or follow our YouTube channel.

DAASI International

DAASI International is an expert in (federated) identity &access management with open source software. Since its foundation in 2000, the IT service provider from Tübingen has been offering solutions in the areas of identity management, access control and directory service technologies for universities, public authorities and companies. The company also participates in national and international research projects. DAASI International's range of services includes consulting, support, hosting, and software development as well as individual training. DAASI International is a strong advocate of digital sovereignty and is therefore committed to open source, interoperable protocols and data protection.

ASPICON

For more than two decades, ASPICON has been the smart IT partner for companies that want to take their database infrastructures to the next level and operate securely, efficiently and with high availability at all times. With a wide range of services, the Chemnitz-based company supports its customers in the design, modernization and ongoing operation of their IT landscapes.

More than 800 customers come from a wide range of industries throughout the DACH region, including the healthcare, automotive and energy sectors. ASPICON's IT specialists use their knowledge and skills to ensure that global players' production chains run smoothly, electricity flows from the socket at all times and patient monitoring systems in hospitals run around the clock.

For this responsible task, the company's IT heroes must always be at the state-of-the-art. This is why ASPICON maintains close partnerships with leading technology partners such as Red Hat and is actively involved in developments in the open source sector.

WITRON-Unternehmensgruppe

Founded in 1971, the family company WITRON (headquartered in Parkstein, Northern Upper Palatinate) plans, implements, and operates customized logistics and material flow systems. Trading, industrial, and service companies across sectors appreciate the professional expertise that characterizes WITRON in the implementation of demanding tasks. Especially in the sector of automated warehouse logistics for food retailing, WITRON has become one of the global market leaders.

The decisive key elements of the projects originate from WITRON's own value creation: logistics design, information and control technology, mechanics design and production, system start-up, as well as functional responsibility in the areas of service and operation.

Despite all its internationality, WITRON considers itself a privately owned, down-to-earth, Upper Palatinate family business (foundation model) which is firmly rooted in the region and, due to its professional variety, interesting tasks, its practiced values and corporate culture, is considered an attractive employer – for skilled employees, career changers, entrants, as well as trainees.

The WITRON Group has more than 7,000 employees worldwide (as of the end of 2023). Well over 2,400 of these employees work at the headquarters in Parkstein. The annual revenue amounted to around 1.3 billion euros in the fiscal year 2023.

All information about WITRON can be found at: www.witron.de

Checkmk GmbH

Checkmk is an IT monitoring solution for cloud, hybrid, and data center infrastructures. It integrates seamlessly within open observability ecosystems and other applications, combining enterprise-grade scalability and automation with the flexibility of open source software.

Checkmk started as a collection of scripts to simplify setting up Nagios monitoring environments and an agent script for Unix-like operating systems. Over the last 16 years, it has evolved into a comprehensive and user-friendly monitoring solution.

Throughout its development, Checkmk has remained true to the open source philosophy and offers Checkmk Raw, an open source version based on the Nagios core. The commercial editions, on the other hand, use a proprietary core that is compatible with Nagios and includes many of the same tools and utilities.

Thanks to its open source availability, Checkmk has built a large and active user base that, in addition to the more than 2,000 vendor-maintained plug-ins, contributes further checks and agents, enabling monitoring for a wide range of hardware and software solutions. See Checkmk in action and chat with monitoring experts.

Thomas-Krenn.AG

Thomas-Krenn.AG is one of the largest manufacturers of individual server and storage systems in Germany. Since 2002, the company has been supplying end users, resellers and data center operators with high-quality hardware based on the build-to-order principle. The company stands for the highest service quality in hardware-related development, contract manufacturing, product refinement and logistics. Thanks to customized solutions, the company is a reliable partner for industry, system houses, service providers and medium-sized end customers - from every sector. In accordance with DIN EN ISO 14001, the highest standards of sustainability and ecology are met. The company currently employs around 200 people and produces all systems in Germany at its Freyung site. Together with its partner company EXTRA Computer GmbH, Thomas-Krenn.AG is one of the largest manufacturers of server and storage hardware in Germany.

Puzzle ITC

Puzzle ITC is a well-established software and technology company with a proud 25-year history. At our locations in Bern, Zurich, Basel and Tübingen (DE), our over 140 highly motivated members work on challenging IT projects. Working with open standards to create efficent and resilient IT infrastructure is the core of our buisness practices. Companies and organisations receive competent support from us – tailored, yet keeping the big picture in mind, from first the beginnings of a project to its daily operation.

Business analysis, project management, our own user experience studio, software development as well as our system, container and platform engineers work together to serve our customers’ needs. We develop and implement according to agile methods, utilize modern open source technologies and accompany you into the new and quickly developing world of AI. We create tailor-made cloud native applications and modern, future-proof digital solutions.

Staffbase

When we founded Staffbase in 2014, we had one goal: to give companies the tools to reach all employees with inspiring communication - the key to sustainable business success.
More than 2,200 companies later, our mission is to help the world's best organizations inspire their employees to reach their full potential.
Our journey is about turning that inspiration into extraordinary stories of success, change and excellence.

Heinlein Support

Heinlein Support is the expert in secure and free communication on the internet. As specialists in email and Linux servers in the data center, data protection, open source, and digital sovereignty are integral to our company's DNA for both us and our team of 100 employees. We share our Linux knowledge and experience through the Heinlein Academy, in personal consulting, with individual hosting, and through our secure email provider, mailbox.org, as well as our video conferencing solution, OpenTalk. In addition we extended our open source portfolio with OpenCloud, our file sharing and collaboration solution. Our clients include not only universities, authorities, and companies of all sizes but also providers and international carriers.

Do you share our passion for Linux servers? We look forward to getting to know you: https://www.heinlein-support.de/jobs

Hetzner

With passion for IT and attention to detail, Hetzner has been a strong hosting partner since 1997. We offer simple solutions for complex topics, self-developed high-tech products and reliable infrastructure at fair prices. For private and business customers worldwide, we provide a wide range of products for all use cases in our own data centres. The own state-of-the-art Datacenterparks are located in Nuremberg, Falkenstein in the Vogtland and in the Finnish capital Helsinki. In addition, we operate three cloud locations in Ashburn, Virginia, Hillsboro, Oregon (USA) and Singapore. Our teams at the different locations are always looking for reinforcements, you can find an overview of our vacancies at: https://career.hetzner.com

GONICUS

GONICUS is a medium-sized IT company with headquarters in Arnsberg, Sauerland. Since its foundation in 2001, GONICUS offers individual open source services that is not only cost-conscious, but also flexible, scalable and secure. Here, the company is one of the most experienced service providers and, with more than 75 employees, is able to offer complex projects from conceptual design and in-house software development, to implementation, downstream support, and maintenance from a single source.

secunet

secunet – protecting digital infrastructures

secunet is Germany’s leading cybersecurity company. In an increasingly connected world, the company’s combination of products and consulting assures resilient digital infrastructures and the utmost protection for data, applications and digital identities. secunet specialises in areas with unique security requirements – such as cloud, IIoT, eGovernment and eHealth. With security solutions from secunet, companies can maintain the highest security standards in digitisation projects and advance their digital transformation.

Over 1,000 experts strengthen the digital sovereignty of governments, businesses and society. secunet’s customers include federal ministries, more than 20 DAX-listed corporations as well as other national and international organisations. The company was established in 1997, is listed at the German Stock Exchange and generated revenues of 393,7 million euros in 2023.

secunet is an IT security partner to the Federal Republic of Germany and a partner of the German Alliance for Cyber Security.

babiel GmbH

babiel is successfully active in the areas online communication, e-commerce, hosting and customer communication management for over 30 years. Examples of our work are customer portals, websites and e-commerce solutions. Our team of over 180 employees advises, develops, implements and operates customer solutions from Düsseldorf, Berlin and Vienna as well as remotely. As a specialist in security and high availability, we also operate these complex systems and web applications. As a full service provider, we offer our customers managed hosting of web, app and mail servers, database systems, containers in Kubernetes or other hosts powered our own network and infrastructure components. As a RIPE member, we manage the network connection of our systems independently in our own AS. When developing and operating services for our customers or internal tools, we heavily rely on open source such as Linux, Puppet, HAProxy, Varnish, Grafana, Prometheus, Rundeck, Kubernetes, MySQL or PostgreSQL. Modern CI systems such as GitLab are available to administrators and developers for task automation and deployment of applications. We are constantly developing our internal tool stack in order to achieve a high degree of automation. We support various open source projects through testing or improvements by providing merge requests. We also financially support projects such as Debian, Apache, OpenSSL, log4j, Letsencrypt, Renovate or the Puppet community Vox Pupuli.

ATIX AG

ATIX is a leading Linux system house in German-speaking countries. As an IT service provider for infrastructures with a focus on Linux in the data center, ATIX offers professional IT consulting, innovative engineering and first-class technical support.

ATIX relies on the latest technologies such as Linux Platform Operations, Infrastructure Automation, Container Platforms & Cloud Solutions, DevOps, Cloud Native, Configuration Management, as well as Release and Patch Management. Vendor independence is particularly important.

The focus is on the automation of IT infrastructure. With its own solution orcharhino, ATIX enables efficient management of servers, networks and virtualization via a central interface.

ATIX attaches great importance to individual consulting and maximum know-how transfer. This knowledge is actively promoted through training courses, webinars and certifications for IT specialists.

ATIX takes a responsible approach to all IT matters. Security & compliance risks are assessed. Impacts are systematically interpreted.

TBits.net GmbH

As an IT security specialist, TBits.net GmbH has been working for companies and organizations for 25 years. Our services include consulting, requirements analysis, conceptual design and auditing. The focus is on systems consulting and support. This includes setting up highly availabile firewall systems and Virtual Private Networks (VPN), the secure and highly encrypted data exchange over the inter-, intra and extranet, as well as protection against viruses and attackers. Our secure hosting services are the one-stop solution to all your IT security needs.

Python Academy

Python Academy is a leading training company specializing in the Python programming language and related topics.

Since 2006, we have offered tailored corporate training and courses for individual participation in both German and English. Our long-standing clients include renowned research institutions and large German and international companies.

Our highly qualified team of trainers has extensive experience in Python programming and training. All courses are conducted interactively using our modern online training system. From the very beginning, participants actively engage and apply their newly acquired knowledge in practical exercises.

We offer all courses both as in-person events and online training sessions. Additionally, hybrid formats with on-site and online participants are possible. Our in-person training sessions can be conducted in Germany, other European countries, or worldwide.

velocitux

velocitux is the professional, green support centre for Open Source and free software. At velocitux we combine everything that is important to us: free open source software, because technology and knowledge should be freely available, transparent and understandable. Competence, because IT systems and software have to be reliable and create trust; Ecology, because we can all use our knowledge together to conserve resources and treat our environment and future sparingly; and education, because learning and understanding are indispensable in our world in order to be able to shape the future effectively and in the long term.

With a lot of experience in the open source environment, especially with Debian-based solutions as well as with software in the education sector, we support small and medium-sized enterprises, educational institutions and associations in the use of software and actively promote open source projects, such as the free school information system AlekSIS, by providing development services and paying developers for their open source work.

Interested in paid open source work in education? Then talk to us, online or at the AlekSIS project stand!

Bareos

Bareos (Backup & Recovery Open Source Software) is a reliable, cross-network open-source backup solution licensed under AGPLv3. It provides comprehensive data protection, archiving and recovery capabilities, supporting Linux, Windows, FreeBSD, macOS and other well-established operating systems.

As a client-server backup solution, Bareos comprises several components that communicate securely over the network: the Bareos Director, one or more Storage Daemons, and the File Daemons installed on the clients to be backed up.

Developers and contributors can explore Bareos source code on GitHub and detailed technical documentation is available at docs.bareos.org.

Bareos supports a variety of storage backends, including SSDs, Software Defined Storage (SDS), hard disks, tape libraries and cloud storage. Extensions and plugins enable seamless integration with virtual infrastructures, databases (PostgreSQL, MySQL, MSSQL, MariaDB) and directory services.

Founded in 2012 and based in Germany, Bareos provides professional services, including subscription, support, consulting and co-funding of feature development. Trusted by public authorities, SMEs, and DAX / Fortune 500 companies, Bareos is recommended by EU national governments and used across diverse sectors such as media, education, energy, afinance, automotive and aerospace industries.

Ossrox

Ossrox, founded under the motto ‘Open source software rocks!’, is a company dedicated to hosting open source software.

Since the beginning of 2022, we have been offering a constantly expanding range of hosting and support services. These include messaging and web meeting solutions, groupware, remote maintenance, social networks, single sign-on systems and much more. Our customers come from Germany and around 20 other European countries.

We operate the services in German data centres with 100% green electricity. In addition to classic cloud hosting, we at Ossrox also offer support for on premise operation as well as customised hosting and support solutions.

Our goal is to make open source software accessible to everyone. With a focus on security, data protection and sustainability, we position ourselves as a reliable and future-oriented partner for private customers, companies and organisations.

DATA REVERSE®

DATA REVERSE® provides professional data restoring services for all digital data carriers. The company was established in Chemnitz and operates its reverse engineering laboratory in Leipzig. Besides recovering hard drives, SSD and other flash based memory devices, DATA REVERSE® reverse engineers from Saxony deal with Virtual Systems, Shared Storage, RAID Arrays and Network Attached Storage on a daily basis. Company’s focus on quality and security guidelines results in usage of self-developed tools and technologies only. For urgent data recovery cases, it deposits more than 100,000 spare parts for immediate usage.

openSUSE

The openSUSE project is a worldwide effort that promotes the use of Linux everywhere. openSUSE creates one of the world's best Linux distributions, working together in an open, transparent and friendly manner as part of the worldwide Free and Open Source Software community.

The project is controlled by its community and relies on the contributions of individuals, working as testers, writers, translators, usability experts, artists and ambassadors or developers. The project embraces a wide variety of technology, people with different levels of expertise, speaking different languages and having different cultural backgrounds.

OpenTalk

OpenTalk is the secure videoconference for everyone who values sophisticated features, digital sovereignty and data protection. Based on open source and today's IT architecture, we enable scalability, performance and stability. OpenTalk is available both as SaaS from Germany and as an on-prem installation for the company's own data center and is thus aimed at providers, public authorities, schools and companies. Our home base is in Berlin, our team is spread all over Germany. Behind OpenTalk is the team of Heinlein Support, the experts for secure and free communication.

Are data protection, open source and an Internet that enables digital sovereignty as important to you as they are to us? Then we look forward to hearing from you: https://opentalk.eu/en/jobs

mailbox.org

mailbox.org is the secure German e-mail provider for consumers and business customers. Awarded “SEHR GUT” several times by Stiftung Warentest, we set new standards in secure communication, digital sovereignty and data protection for our users. In addition to classic core email functions, we also offer calendar, address book, task management, online word processing, cloud storage and video conferencing on our platform. We operate the necessary technology with our own infrastructure in two German data centers. Our customers include private users as well as companies, schools, NGOs and public authorities such as the Thuringian Ministry of Education, Youth and Sports. mailbox.org is a brand of Heinlein Support, the specialist in email servers and Linux in the data center.

You share our passion for secure and free communication? Then we look forward to getting to know you: https://mailbox.org/en/jobs

OpenCloud

OpenCloud is the new, reliable solution for file sharing & content collaboration.

Geared to the needs of the public sector, education, research and science, as well as large enterprises, OpenCloud supports customers with the highest standards of data protection, data security and user-friendliness. Together with OpenTalk and mailbox.org, Heinlein now offers three strong pillars for secure and digitally sovereign infrastructures in Europe.

Are data protection, open source and an Internet that enables digital sovereignty just as important to you as they are to us? Then we look forward to hearing from you: https://www.heinlein-support.de/jobs/devops-engineer-mwd-0

Turris et al. by CZ.NIC

CZ.NIC, the domain registry of the Czech Republic, is actively involved in the development of open source projects, such as Bird, our routing daemon, which operates most Internet exchange points in the world, and the Knot DNS server, which is the fastest authoritative DNS server in the world.

In addition to other successful open source products, we also operate our Turris Wi-Fi router. These routers are based on the Linux distribution OpenWrt with some additional features, such as the dynamic firewall sentinel, which detects potential threats on the Internet and provides the router’s firewall with dynamic updates, significantly reducing malicious potential. The hardware is completely developed by us and the production takes place on site in the Czech Republic. We also make the schematics publicly available so you can study them. For the oldest, no longer sold router, we even published all the data needed for production. The entire development is also public on our GitLab and everyone can contribute to it.

Visit us at our booth and talk to us about our routers or the software that CZ.NIC develops!

COMPUTEC MEDIA

The three magazines Linux-Magazin, LinuxUser and Raspberry Pi Geek are published by Computec Media GmbH. Linux-Magazin is aimed at Linux sysadmins and developers in the professional environment and is the world's oldest Linux magazine still published. LinuxUser offers practice-oriented articles, workshops and tests for Linux desktop users every month. The solution-oriented magazine Raspberry Pi Geek features hacks, tricks and tutorials about the single-board computer and popular microcontrollers.