https://todaysmeet.com
http://www.thinglink.com
http://www.socrative.com
http://www.showme.com
Educreations
http://www.educreations.com
http://1tox.lisd.net
Click on Tech Tools, then select Web 2.0 Tools or LISD: Foundational Apps and Tools
(3rd grade and up)
Elementary - Stack the States (lite is free) or Spelling City
http://www.voki.com
https://www.smore.com