eHow is an online how-to guide with more than 1 million articles and 170,000 videos offering step-by-step instructions. eHow articles and videos are created by freelancers and cover a wide variety of topics organized into a hierarchy of categories. Any eHow user can leave comments or responses, but only contracted writers can contribute changes to articles. The writers work on a freelance basis, being paid by article. eHow is frequently called a content mill.
Free and open source software (F/OSS, FOSS) or free/libre/open source software (FLOSS) is software that is both free software and open source. It is liberally licensed to grant users the right to use, copy, study, change, and improve its design through the availability of its source code.