CalDAV libraries

CalDAV libraries organized by programming language.

Python

• caldav — Client library for CalDAV operations.
• icalendar — iCalendar parsing/generation (used with caldav).
• vdirsyncer — CalDAV/CardDAV synchronization tool.

JavaScript / TypeScript

• tsdav — CalDAV/CardDAV client library for TypeScript.
• ical.js — iCalendar parsing and validation.

Java

• iCal4j — iCalendar parsing, validation, and CalDAV support.
• Milton — WebDAV/CalDAV server framework.
• Sardine — WebDAV client (can be extended for CalDAV).

PHP

• Sabre/DAV — Full CalDAV/CardDAV server and client framework.
• icalcreator — iCalendar file creation.

Go

• go-caldav-client — CalDAV client library.
• go-webdav — WebDAV/CalDAV client library.

Ruby

• icalendar — iCalendar library (Ruby).
• caldav — CalDAV client library.

C/C++

• libical — iCalendar library with CalDAV support.
• Neon — HTTP/WebDAV client library.