𝗪𝗵𝗮𝘁 𝗮𝗿𝗲 𝘃𝗶𝗿𝗮𝗹 𝗹𝗶𝗰𝗲𝗻𝘀𝗲𝘀?
"Viral" free #software licenses require that all forks be licensed under the same #license as the original software. This creates a "viral" effect, where the license terms are propagated to all derivative works. #GNU licenses fall in this category.
These complex licenses guarantee user freedom but limit the ability to reuse and combine code, create proprietary derivative works, and use the software for commercial purposes.