DAVx⁵

Cliente y Sincronización de CalDAV/CardDAVGPL-3.0-only

Tasks.org: Open-source To-Do Lists & Reminders

Private, ad-free task lists! Optional sync with Google Tasks, CalDAV or EteSync!GPL-3.0-only

Infomaniak kSync

Automatically sync your contacts and calendarsGPL-3.0-only

jtx Board journals|notes|tasks

Keep track of journals, notes & tasks - iCalendar compliant and syncable with yoGPL-3.0-only

OpenTasks

Lleva un registro de tu lista de objetivosApache-2.0

Linwood Flow Nightly

Feature rich event, group and time managment systemAGPL-3.0-only