Meetingbird for Gmail - View your calendar and schedule meetings right from Gmail
The Google Cemetery - A list of dead Google products and why they died
Kin Calendar - The simple and connected calendar
Killed by Google - Killed by Google is the open source list of dead Google products, services, and devices. It serves as a tribute and memorial of beloved services and products killed by Google.
Calendly for Chrome - Schedule meetings without leaving your inbox
Startup Graveyard - History shouldn't have to repeat itself