Definition
Open source is software whose source code is publicly available and can be used, modified, and distributed by anyone, typically under licences such as MIT, Apache 2.0, or GPL. Large parts of modern cloud infrastructure are open source: Linux, KubernetesOpen source container orchestration platform - automates deployment, scaling and management of containerised applications., PostgreSQLPowerful open-source relational database with support for advanced data types and extensions., TerraformOpen source tool for Infrastructure as Code - defines cloud infrastructure in declarative configuration files., and Spring BootFramework for quickly building production-ready Java/Kotlin backends with built-in configuration.. Open source provides transparency, community support, and lower licensing costs.