EDpuzzle is a great tool for creating interactive video lessons for the classroom. Teachers can use video content already published online, or upload their own content. This is a great tool for use in a flipped classroom.
Interland is a fun and interactive game designed by Google to teach students about the various elements of digital citizenship while combating adversaries like over-sharers and hackers.
Newsela provides students with articles across all subject areas that can be adjusted to different reading levels, allowing all students access to the same content, no matter their skill level. Teachers can create questions to accompany articles assigned to students, and students can annotate and respond to questions.
Edmodo is a great tool for online class discussions, where even the shyest of students are active participants. Plus, there is a record of the discussion that the class can refer back to later.
OneNote Class Notebook is a great tool to promote student collaboration with the "Collaboration Space." Teachers can share notebooks and collaborate too!