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Edit, Annotate, and Share PDFs for Free
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Makes it easy to work in groups … free online toolkit that makes it easy to work in groups.
-keep shared calendar
-send mass emails, voice, and text messages
-store and edit files in one common folder
-poll group in real time
-host group conference calls and chatrooms -
Rondee.com – Free Conference Call Service
Rondee is a free service for conference calling and the only service with web-scheduling and attendance tracking.
-Free and Easy to Use
-Schedule in advance or use on-demand
Posted from Diigo. The rest of my favorite links are here.