Alternatives to TodoPlus (Mac OS X edition)

Calendars Professional 2014

Program license: Demo

A free and lightweight software program that allows managing and editing calendars

Program license: Free

Recommended update for all users who are currently running Mac OS X Leopard 10.5.0

Program license: Free

Free update for Mac that replaces the 10.6 Snow Leopard version of its operating system

Program license: Free

Update to operating system for better function and experience

Program license: Trial version

Compress and decompress ZIP files with a few simple commands