http://matthew.mceachen.us/blog/automatic-disposable-email-addresses-for-google-apps-611.html
How to create "minus addresses" on Google Apps. It involves creating a catch-all and creating filters that forward the messages to the appropriate account. Clever workaround.
http://code.google.com/intl/en/apis/calendar/caldav/
Google's CalDAV api documentation. Their calendar service supports some caldav functionality, but not all. Interesting potential for soundclient.
http://www.gabrielweinberg.com/blog/2011/03/imddggg-duckduckgo-chat-bot.html
Very interesting article including good links and background info on how to create an XMPP bot. Virtually no use to me right now, but one to file away... :-)
http://www.fusemail.com/
FuseMail is a hosted mail service which includes webmail, IMAP, POP3, calendar functions, shared files, groupware, and more. All for $2/month/mailbox. Great.
http://www.thinkfree.com/
Thinkfree is similar to Zoho. It's a hosted, online office suite. It's also available in self installed versions. No email capability (that I can see).
http://www.google.com/a/help/intl/en/index.html
Google Apps is the hosted mail / docs / etc product from Google. It comes in Free or Premier ($50/year/user).
http://zoho.com/
Zoho is an online office suite, similar to Google Apps. It includes a hosted mail product.
http://www.zimbra.com/
Zimbra is an open source email / collaboration software. They offer a hosted service starting from $400/year for 15 pro mailboxes.
