Directory of Open Access Journals (DOAJ)
Evaluating Journals: Scholarly Communication Toolkit from the Association of College & Research Libraries (ACRL)
Journal Guide: American Journal Experts
Journal Evaluation Tool
Open Access Scholarly Publishers Association
Quality Open Access Market
This site features a journal score card, where authors who publish in scholarly Open Access titles rate their experiences from 1-5 based on the following criteria:
There is also a text box for reviewers to enter any comments they may have about the journal. More about the score card can be found at http://www.qoam.eu/journalscorecard.
Think. Check. Submit.
Upaywall.org: a browser extension to help find open access versions of research papers that may otherwise be hidden behind a paywall.