Lightning
Open Source
Lightning App Builder is a point-and-click tool that makes it easy to create custom pages for Salesforce1 and Lightning Experience.
Org-mode
Open Source
Org-mode is an Emacs Mode for Notes, Planning, and Authoring.
VueMinder Calendar
Freemium
VueMinder Calendar is a calendar app for Windows.
Rainlendar
Freemium
Rainlendar is a calendar program for Windows, Mac OS X and Linux.
Kontact
Open Source
Kontact is a personal information manager and groupware software suite developed by KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
Microsoft Mail and Calendar apps help you stay up to date on your email, manage your schedule and stay in touch with people you care about the most.
Compare Kontact - KOrganizer with alternatives
Compare Lightning and Kontact - KOrganizer and decide which is most suitable for you.
Compare Rainlendar and Kontact - KOrganizer and decide which is most suitable for you.
Compare Org-mode and Kontact - KOrganizer and decide which is most suitable for you.
Compare Kontact and Kontact - KOrganizer and decide which is most suitable for you.
Compare VueMinder Calendar and Kontact - KOrganizer and decide which is most suitable for you.
Compare Microsoft Mail and Calendar and Kontact - KOrganizer and decide which is most suitable for you.