Zoho Calendar (https://www.zoho.com/calendar/ https://www.zoho.com/calendar/) is the only real alternative if you want something web-based, but let's face it; i

Zoho Calendar (https://www.zoho.com/calendar/ https://www.zoho.com/calendar/) is the only real alternative if you want something web-based, but let's face it; it's not as good as Google Calendar.