Browse free open source Calendar apps and projects for Apple iPhone below. Use the toggles on the left to filter open source Calendar apps by OS, license, language, programming language, and project status.
professional CRM and groupware service, ready for the cloud
Calendar for Apple platforms in Swift
A fully customizable iOS calendar library
Customizable React-Native calendar components
Prayer Times for iPhone and Android built-in Calendar
An iOS weather app developed in Swift 4
Free, open-source Human Capital Management system
A React-Native datetime-picker for Android and iOS
Open-source Property Management System (PMS)