Open Access journals can provide higher visibility for your work while allowing you to retain control over your copyrights. Many studies have shown that Open Access articles receive more downloads, and higher citation counts because they are globally accessible, rather than restricted to those who can afford subscriptions. For more information, check out this bibliography from The Open Citation Project:
Resources on Open Access:
These books are freely available for download, but are generally not licensed for remixing or other derivatives. Please check individual titles before using in the classroom or online teaching.