A range of outstanding free tools are available to educators, and below is my pick of the best. First are free tools, then paid tools, and then some common approaches that will save you some time and grief.
Outstanding free formative and summative assessment tool via in class response or out of class quiz. From their website "Through the use of real-time questioning, result aggregation, and visualization, you have instant insight into levels of understanding so you can use class time to better collaborate and grow as a community of learners."
Screenrecorder with a million and one uses, icluding supporting flipped classrooms and differentiated content. From their website: "Use our world famous recorder to record on-screen activity for short tutorials, visual presentations, and communicate while you demonstrate!"
Simply the best free content management and website building platform, supported by some outstanding free and paid plugins.
A very different take on slides, and can anchor online learning. From their website: "Unlike static slides, Prezi combines motion, zoom, and spatial relationships to engage your audience and help them remember your message".
Gamification in the classroom with custom quizes and engagement. Learning game can have text, videos and the usual content.
A great way to screenshot and annotate. SnagIt is also very good but has a small cost.
A cool virtual wall that allows people to express their thoughts on a common topic easily. Like an online sheet of paper where people can put any content (e.g. images, videos, documents, text) anywhere on the page, together with anyone, from any device.
A website providing learning tools for students, including flashcards, study and game modes.
Flashcards created based on google doc spreadsheets that are then usable on mobile devices
Outstanding German journalism tool for data visualisation.
Great app for ipads and iphones which uses the camera as a scanner to process multiple choice answer sheets and provide data analytics.