JavaScript library for working with recurrence rules for calendar dates ...
Lightweight and fast recurring dates library for PHP (RFC 5545)
PHP Date Recursion library
[NO LONGER MAINTAINED] Recurrence rules generator form built with React
Recurring dates in Postgres.
Rust crate for working with recurrence rules for calendar dates as defin...
ICS / iCal / iCalendar parser / expander
recurrence rules for calendar dates in Swift.