Pinterest

https://www.pinterest.com/pin/5911043246526605/   This has 250 free downloads for teachers.  (Who doesn't love FREE?)

https://www.pinterest.com/pin/AUytCw2dTCOyoQfDVYwDTEkS8I6lRcL8g0etW1WaUwbUNswOqlUgwQ4/  These are teacher hacks for the classroom (organization, etc)

https://www.pinterest.com/pin/146015212901034500/  These are apps for the classroom