Free resources are generally thin on the ground so a timely article in Online by Barbie Keiser giving comprehensive coverage to a range of free resources from Thomson Reuters . A section of the website is entitled Additional Free Resources and is broken down into Scholarly Literature, IP& Standards and Life Sciences.
The website is worth looking at but two are definitely worth mentioning. Scholarly Literature gives you access to the master database of all the journal titles in Thomson Reuters scientific databases. Here you can recommend that a particular journal be included for indexing.
Science Watch (www.sciencewatch.com) provides access to all science metrics and analysis that track trends and performances in global research. Also Fast Breaking Papers, New Hot Papers, Emerging Research Fronts and Fast Movving Fronts
Full article Keiser, B.: Free Scientific Resources from Thomson Reuters, Online, July-August, 2011, pp.23-27.