Chalkboard is i-to-i's TEFL community.
It is currently still in testing phase which could mean you find the odd bug!
Q: What is i-to-i Chalkboard? A: It's the online community of TEFL specialists
One of my one-to-one students - 15 year old boy who was such a sweet little boy. I was teaching him intensively as he was due to move to New Zealand to study. On my last day, he wrote me a song (in English of course) about me and how much he loved having me as a teacher!