Open source projects hold the most important parts of the applications I work with everyday at my job.
At the time of writing, I work mostly with PHP and Python.
For PHP projects, we use Laravel and other composer packages that take care of almost all non-business related features.
Our Python projects are not based on any framework, but we use packages managed with pip.
At the same time, all those libraries use other libraries to provide functionality that is not part of their core, so I started to see a point here: All non-business related features can be converted as a library or package. …