Planners & Calendars

Vibe
Profoundis(Free)
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A free program for Mac, by Profoundis.
TaskPaper
Hogbaysoftware(Trial version)
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TaskPaper: Simple To-Do List
Actiontastic
Kaboomerang(Free)
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Actiontastic: A Free Mac Program for Productivity
TinyCal
Pixelatedsoftware(Trial version)
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TinyCal: Menu Bar Calendar with Google Calendar Integration
KonoLive
2Win-Solutions(Free)
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KonoLive: Collaboration Tool for Group Projects
Plaxo Toolbar
Plaxo(Free)
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Plaxo Toolbar Review
Dejumble
ThinkingCode(Trial version)
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Dejumble: Organize your life via the menu bar
Calendar Plus
Qbix Inc.(Paid)
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Calendar Plus - Schedule your day with confidence
Event Countdown
Sudip Bag(Paid)
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Event Countdown: Count down to what's most important to you
GroupCal
Snerdware(Trial version)
Download
GroupCal: Publish and Share iCal Calendars with Exchange