http://www.gapminder.org - This is a site that keynote speaker at CLESOL, Andreas Lund, shared with us. He used it as an illustration of a place where learners could be active in being active designers of learning.
e-languageexemplars.wikispaces.com - This wiki has some wonderful examples of of student work in languages using a range of engaging learning tools e.g. Glogster, Blabberise, Voicethread, Quizlet. This helps us see how English language learners could use these!