It is designed to allow linking to open source libraries with little obligation. The GNU Lesser General Public License is known as a “weak copyleft” style license.

The best-known examples of this category are the Apache License, the BSD License, and the most-common MIT License. This category of software license is the most popular open source license type. They are also known as “attribution style” licenses as they typically only require that the copyright information be retained in a notices file when the software is distributed.

Permissive licenses contain minimal restrictions on how the software can be modified or redistributed. Here are five common types of licensing models for components that may be reused in a codebase, along with the rare and much-misunderstood public domain category of software, and the not-so-rare unlicensed category. Here is a list of the top open source licenses and their potential legal risks. To protect code and the organization, you need to understand the software licenses that governs the use of any code, including libraries and frameworks you didn’t write yourself. Most companies simply want to be “clean” in their use of third-party software. In some circumstances, a company could face an injunction against further distribution of products containing misused components, damages, or the possibility of having to publish its own source code. If a company reuses a component without a license or without following a license’s obligations, the copyright holder might sue. Software is licensed in different ways, and the downside of license noncompliance can be significant. Open source software is free of cost but not free of obligations it’s just controlled by a different sort of license. Most of those third-party components are open source. Even code snippets copied from Stack Overflow have obligations for reuse. And all software code comes with certain rights and obligations if used by others or incorporated in a company’s codebase. In fact, in most applications the majority of the code comprises reused third-party components. If a company creates software, it also reuses code, including code snippets, libraries, functions, frameworks, and entire applications. Here are five common types of software licenses. Different types of software licenses require you to meet certain obligations if you want to reuse the code.

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