>What should I learn so that I can become competent for jobs other than web development? Your question is meaningless without specifying what sort of job you'd

>What should I learn so that I can become competent for jobs other than web development? Your question is meaningless without specifying what sort of job you'd prefer or what your interests are. There is no single set of things (other than "everything") you could study that would qualify you for all non-webdev jobs.