"If you build modern software, you’re well-versed in composition: grab a handful of existing projects—a database here, a UI framework there, an HTTP library to

"If you build modern software, you’re well-versed in composition: grab a handful of existing projects—a database here, a UI framework there, an HTTP library to round it all out—and arrange them together. You write your custom logic—the stuff unique to your project—and let other people’s code do work that’s common across all projects." This approach certainly gets tried enough. I'd say it has some issues, though.