Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks (iOS client).
Please see the EteSync website for more information.
EteSync is licensed under the GPLv3 License.
For setup instructions please take a look at the user guide.
EteSync iOS is made possible with financial support from NLnet Foundation, courtesy of NGI0 Discovery and the European Commission DG CNECT's Next Generation Internet programme.