What is open source?
Open source means the source code, design files, or blueprints for a project are freely available for anyone to view, modify, and distribute. Instead of keeping technology locked behind proprietary walls, open-source projects encourage collaboration, learning, and community contributions.
In the context of Raspberry Pi, open source applies to:
- Software: The operating system (Raspberry Pi OS is based on Debian Linux), development tools, and thousands of community-created applications
- Documentation: Circuit diagrams, pinout references, and hardware specifications are publicly available
- Community projects: Tutorials, code examples, and project guides shared by makers worldwide
While the Raspberry Pi hardware itself uses some proprietary components, the platform operates within a largely open ecosystem that prioritizes accessibility and education.
The Raspberry Pi Foundation
The Raspberry Pi Foundation is a UK-based charity with a mission to put the power of computing and digital skills into the hands of people all over the world. Since its launch in 2012, the Foundation has focused on making computing education affordable and accessible.
Educational mission
The Raspberry Pi was originally created as a low-cost device to teach programming and computer hardware understanding at the pre-university level. Its creators recognized that while today's students use technology constantly—smartphones, tablets, gaming consoles—many don't understand how that technology actually works.
By providing an affordable, hands-on computer, the Foundation aims to give students the tools to learn by doing: writing code, wiring circuits, and solving real-world problems.
Community and outreach
The Raspberry Pi Foundation supports learning through:
- Free resources: Lesson plans, worksheets, homework, and assessments for ages 5–16
- Teacher training: Programs like Picademy offer free training for educators
- Community events: Raspberry Jams and Pi events bring learners of all ages together to share projects
- Partnerships: Collaboration with organizations like Code Club and CoderDojo to expand access to computing education
The open-source ecosystem
Raspberry Pi runs Linux-based operating systems, with Raspberry Pi OS (formerly Raspbian) as the official distribution. Linux itself is open source, meaning its code is free to use, modify, and share.
This open-source foundation enables:
- Customization: You can modify the OS to fit your project needs
- Transparency: You can see exactly how the system works under the hood
- Community contributions: Developers worldwide contribute bug fixes, features, and improvements
- Free tools: Programming languages (Python, C++, Scratch), development environments, and libraries are free and open
The Raspberry Pi Foundation contributes back to Linux and other open-source projects, ensuring the ecosystem continues to grow and improve.
Benefits of open source
Accessibility
Open-source software is free, removing cost barriers to learning. Students, hobbyists, and professionals in any country can download and use the same tools without licensing fees.
Learning by example
With access to source code, you can see how programs work, study real-world examples, and learn by modifying existing projects. This "learn by doing" approach is central to Raspberry Pi's educational philosophy.
Community collaboration
Open-source projects are well-documented and community-driven. When you get stuck, you can find tutorials, forums, and code examples created by other users. You can also contribute your own projects back to the community.
Longevity and control
Open-source software doesn't disappear when a company stops supporting it. The community can maintain and update projects indefinitely. You're also not locked into proprietary ecosystems or forced upgrades.
What you can do with open source
The open-source nature of Raspberry Pi enables a huge range of projects:
- Learn programming: Start with Scratch or Python using free tutorials and tools
- Build electronics projects: Use open-source libraries to control sensors, LEDs, motors, and displays
- Create home automation: Set up systems like Home Assistant to control lights, thermostats, and appliances
- Run servers: Host websites, file storage, or network services on your Pi
- Experiment and tinker: Modify existing projects, combine different tools, and create something entirely new
The combination of affordable hardware and free, open-source software makes Raspberry Pi accessible to anyone with curiosity and an internet connection.
Ready to start building?
Explore Getting Started with Raspberry Pi or browse Raspberry Pi kits at Vilros.