This post recommended checking the DOAJ directly to determine whether particular journals actually are in its index, and announced migration of the list early in 2018.
"a wonderful search engine that has been around for over a decade now, providing information to authors who want to learn more about the copyright and open access policies of journals" (Lawson, Ask RoMEO…, ProfHacker blog, 2012.10.16)
"The PhraseBook helps you build advanced language competence and writing ability in English. Rather than concentrating on rules and exceptions as many books, the PhraseBook focuses on writing, providing the tools for you to write in your subject" (A tool for building advanced language competence and writing ability, ¶1, 2014.09.12).