Looks like a good and free platform to me to plan instruction and to conduct assessments. Find more at https://www.plickers.com/
Another way to look at assessment! Check it here: http://newsmanager.commpartners.com/tesolc/issues/2017-03-01/2.html
Can’t wait to try it out: https://spiral.ac/
From TESOL found at http://newsmanager.commpartners.com/tesolc/issues/2016-10-01/2.html
Switching to formative assessments can yield more precise insight into student learning while making assessment less threatening to students.