Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
- - Lightning Calendar is the most popular Windows, Mac & Linux alternative to iCalViewer.
- - Lightning Calendar is the most popular Open Source & free alternative to iCalViewer.
Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.
- - Apple Calendar is the most popular iPhone & iPad alternative to iCalViewer.
Personal Information Manager (Mail, Contact, Calendar and more).
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.
- - iRedMail is the most popular Self-Hosted alternative to iCalViewer.
Intuitive task management/reminder app for the Mac.
Just drag the items you want to be remembered of to the Alarms menu and place them on the time line. Due items can be dragged just further right or even to another day. Creating a timer is just one single drag away.
The product is no longer available on the official website and on the Mac App Store.
'Do It Tomorrow' is a Windows desktop application which helps you to track, organize, reuse, export, print, and summarize your tasks.
- - Do It Tomorrow is the most popular Android alternative to iCalViewer.
The website and the app are not available anymore
qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list.Discontinued
The project is no longer developed. Last version, 3.1.5, released in August 2010, can be still downloaded from SourceForge.
Caliander is the calendar that lets you create events faster and with less effort while keeping you on top of things with its smart and unique presentation. It uses the same calendar database as iCal, so it syncs with all your devices as usual, and all your events are there—no...
iDeskCal embeds your calendar on your desktop, above your wallpaper but below your desktop items. With iDeskCal you can quickly and effortlessly know exactly what is on your calendar for the current day, and beyond.