skribbl - Word guessing based on drawing.
ClickMeeting - Collaborate with partners and clients using ClickMeeting professional web conferencing software. Try it now, FREE!
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
Zoho Cliq - Team chat that's built for work
gartic.io - Draw, guess, and win!
GoToWebinar - Webinar & Online Conference | GoToWebinar