Open source

Open source is a model of software development where the source code is made freely available for anyone to read, use, modify, and distribute. The concept is closely tied to transparency, collaboration, and shared ownership of software development.

• Accessibility: The code is open-source and can be downloaded, studied, and modified at no cost.

• Free licensing: Licenses such as GNU GPL, MIT, and Apache allow reuse and redistribution under certain conditions.

• Community-driven development: Many projects grow through contributions from developers around the world.

• Security through transparency: Since the code is reviewed by many, vulnerabilities can be discovered and fixed quickly.

• Innovation: Open source often serves as the foundation for new technologies and standards.

The idea of open source emerged in the 1980s, notably through Richard Stallman’s GNU Project and the creation of the Free Software Foundation. The term “open source” gained wider adoption in 1998 to distinguish the practical development model from the more ideological “free software.” With Linux as its flagship, open source became a global movement and a cornerstone of internet infrastructure.

Microsoft was once seen as an opponent of open source, but since the 2000s, the company has changed its strategy. Today, Microsoft actively contributes to numerous projects, particularly through GitHub, which it owns. Within the Microsoft ecosystem, open source is present in development tools (e.g., Visual Studio Code), frameworks and libraries in .NET Core, and services in Azure.

Open source is more than a technical model – it is a way of working built on collaboration, transparency, and sharing. Over time, it has evolved from an ideological movement to a natural part of both the internet and enterprise IT strategies. In Microsoft environments, open source now plays a central role, demonstrating how even traditional platforms can evolve in harmony with the global developer community.