Calendar
Used by 67 peopleen.wikipedia.org ↗

“Oh, and I use iCal to nudge me, and alarms for the same reason.”
Sophie Cunningham Interview, Writer, artist, adjunct professor (RMIT) · via Uses This 
“My physical planner is essential though - I'm not an iCal person.”
Dana Schwartz Interview, Entertainment writer (The Observer) · via Uses This 
“And I use Apple's iCal for keeping a digital calendar.”
Adam WarRock Interview, Nerdy hip hop artist · via Uses This 
“I keep my schedule with iCal.”
Cory Schmitz Interview, Graphic designer, illustrator · via Uses This 
“Important events and schedules are maintained in iCal.”
Keith Ehrlich Interview, Filmmaker (Made by Hand) · via Uses This 
“I use iCal to manage and sync all my Google calendars over CalDAV.”
Wilson Miner Interview, Web designer (Rdio) · via Uses This 
“iCal is another Apple-made app that I can't live without.”
MG Siegler Interview, Tech reporter (TechCrunch) · via Uses This 

“I use iCal for simple to-dos.”
Dustin Curtis Interview, Writer, UX designer · via Uses This 

“I use it instead of Apple Mail because of its superior Exchange support (for work), its integrated calendar, which I use instead of iCal, and a huge number of little features: mailing list manager, custom columns on a per-folder basis, quote-aware text re-wrapping, etc.”
John Siracusa Interview, Programmer, writer (Ars Technica) · via Uses This 
“I use iCal to log what I do and how long I spend doing it.”
Steph Thirion Interview, Game developer (Eliss) · via Uses This