We use Edmodo in my classroom as our online forum where students can ask each other questions about reading assignments and ask for feedback on their writing assignments, as well as questions about homework in other classes.
A range of tools and guidelines is available to assist the process of creating effective formal assessment tasks (e.g. tests, projects, presentations) and informal assessments (e.g. observation, discussion, questioning) to assess where learners are at in their progress along the learning continuum.
Socrative is a smart student response system that empowers teachers to engage their classrooms through a series of educational exercises and games via smartphones, laptops, and tablets.