Lightning Calendar Organize your schedule and events in a calendar fully integrated with Thunderbird or Seamonkey email. . Free Open Source Mac Windows Linux Thunderbird SeaMonkey CardDAV CalDAV Task Management Add a feature 173 Like
Calendar Lock PEA Password Encrypted Calendar: Calendar Lock PEA - Displays iCalendars that are plaintext only in RAM, but otherwise always encrypted on the device. - Uses autheticated... Free Open Source Mac Windows Linux Encryption Privacy Protected Privacy focused Authenticated encryption ... Encrypted Notes Privacy-friendly Security & Privacy Add a feature 8 Like
Rainlendar Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can... Freemium Mac Windows Linux Customizable Sync with Fantastical Apps that Sync with Google Calendar Multiple languages ... Syncs with various services Add a feature 106 Like
MineTime MineTime is a free, modern and multi-platform calendar application. It connects to several calendar providers (including Google Calendar, Microsoft Exchange and... Free Mac Windows Linux Artificial intelligence Calendar integration Exchange Google Calendar integration ... Apps that Sync with Google Calendar Personal-assistant Scheduling Calendar Sync Add a feature 10 Like
Kontact Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under one roof. Thanks to the powerful... Free Open Source Windows Linux Contacts Convert Email to Task Feed Reader Add a feature 30 Like
fruux Free service that takes care of your contacts, calendars and more so you don't have to. . Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Blackberry Windows Phone iPad Blackberry 10 Sailfish OS CardDAV Backup CalDAV CalDAV Server ... Sync Contacts Contacts Calendar Sync Team Collaboration Todos Add a feature 23 Like
Kolab Community Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite. Freemium Open Source Linux Web Self-Hosted CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature 38 Like
GNOME Calendar GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on... Free Open Source Linux Apps that Sync with Google Calendar CalDAV Events Standalone Add a feature 8 Like
Kontact - KOrganizer It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files... Free Open Source Linux KDE Scheduling Todos Add a feature 16 Like
GNOME Contacts Contacts keeps and organize your contacts information. You can create, edit, delete and link together pieces of information about your contacts. Contacts aggregates the... Free Open Source Linux GNOME Sync Contacts Contacts Add a feature 3 Like
