Maven is a popular open source build tool for enterprise Java projects, designed to take much of the hard work out of the build process. Maven uses a declarative approach, where the project structure ...

There are many benefits in having an organized software project when developing firmware. First, such projects make it easy to find modules and files when you need them rather than wasting time ...

There isn't really one I'm aware of. There are standarized tools to generate things like Makefiles and such that impose structure to some degree, but no overall file layout standard for source trees.