What are some alternatives?
When comparing ApPHP Calendar and Wrike, you can also consider the following products
Google Calendar - Spend less time managing your day & more time enjoying it
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Teamweek - A project management software to help you get the best overview. Plan fast, change plans faster!
Basecamp - A simple and elegant project management system.
Apple Calendar - Calendar is a personal calendar app made by Apple Inc. that runs on both the macOS desktop operating system and the iOS mobile operating system.
Smartsheet - Smartsheet is an intuitive online project management tool enabling teams to increase productivity using cloud, collaboration, & mobile technologies.