There are 1 repository under freebusy topic.
Pythonic wrapper for the Google Calendar API
My personal, read-only public availability calendar
Syncing Google calendar so that no one can book anything(using wp-amelia) when you're busy.
recherche de creneaux sur les agendas de l'université Paris 1 Panthéon Sorbonne, utilise les FREE/BUSY icalendar"