libical: libical - iCalendar library implementation in C libical: libical: libical is an open source implementation of the IETF's iCalendar libical: calendaring and scheduling protocols (RFC 2445, 2446, and 2447). It libical: parses iCal components and provides a C API for manipulating the libical: component properties, parameters, and subcomponents. libical: libical: libical: libical: libical: