Dojo Links

/ Hosting /

X10 Hosting - great free webhosting, plus paid high end webhosting and virtual private servers.

Google Apps - "gmail" email, calendaring, instant messaging and voip, document hosting, etc. etc. etc. for up to 50 users totally free.  Integrate with a free X10 web hosting account, and you've got a totally free high end internet presence.

Dropbox - this is the dojo of file hosting: backup, sync, share, upload, download, PC, Mac, Windows, OS X, Linux, iPhone, Andriod, browser based.  Dropbox is amazing... and free for 2gb of space right out of the box; up to 10gb free available through referrals and other methods.

/ VOIP /

Sip2Sip - great and featurefull free SIP based voice over ip ("VOIP") voice and chat accounts.  Combine with other services to create a totally free phone line.

IPKall - free phone numbers from Washington State for binding to a SIP account.  Cool Stuff.

Google Voice - free local phone numbers and calling - both inbound and outbound.  Combine with other services to create complete free local phone line.