Depends on the library. If it's a good one, makes sense to adopt, I sometimes do: https://github.com/Const-me/nanovg https://github.com/Const-me/nanovg Some li

Depends on the library. If it's a good one, makes sense to adopt, I sometimes do: https://github.com/Const-me/nanovg https://github.com/Const-me/nanovg Some libraries have hundreds of megabytes of their own dependencies hard to remove. Some libraries have very low code quality, makes it expensive to modify. Some libraries are very hard to build, e.g. I've never managed to build Skia. When you can't build it you can't adopt it. You should also pay attention to license, there're GPL licensed libraries out there, if you'll try to use or adapt them you'll have to open source your complete software under the same license.