TimeTree, Inc., founded in 2014 and based in Shinjuku, Japan, develops a calendar-sharing application aimed at helping families and groups manage their schedules effectively. The application allows users to share calendars with various groups, facilitating communication and collaboration among family members, partners, friends, and colleagues. Users can coordinate events through a single calendar while having the option to create multiple calendars. Additionally, the platform enables users to post schedule messages and photos via links and email, making it easier to accommodate events based on individual interests and availability. TimeTree's focus is on organizing busy lives and fostering connections through shared scheduling.