Google Apps is a suite of applications that includes Gmail (webmail services), Google Calendar (shared calendaring), Google Talk (instant messaging and voice over IP), and a Start Page for creating a customizable homepage on a specific domain. Google Apps offers editions tailored to specific customer needs, including a Standard Edition (ideal for family domains), Education Edition (K-12 schools, colleges and universities), Premier Edition (businesses of all sizes) and Partner Edition (Internet Service Providers and portals).