Covidence is an online systematic review program developed by, and for, systematic reviewers. It can import citations from reference managers like EndNote, facilitate the screening of abstracts and full-text, populate risk of bias tables, assist with data extraction, and export to all common formats. A free trial is available but full access requires payment.
Rayyan is a free web-tool (Beta) designed to help researchers working on systematic reviews and other knowledge synthesis projects, and dramatically speeds up the process of screening and selecting studies. See the following guide: https://libraryguides.mcgill.ca/rayyan
The Polyglot Search Translator (PST) is an online tool helps to automatically translate searches across multiple databases by modifying the database-specific syntax, removing the need to do this manually.
The journal publishes high quality systematic review products including systematic review protocols, systematic reviews related to a very broad definition of health, rapid reviews, updates of already completed systematic reviews, and methods research related to the science of systematic reviews, such as decision modeling.