Kontact - KOrganizer Alternatives

Spend less time managing your day & more time enjoying it

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME...

Organize your life — it’s about time!

Kontact is the integrated Personal Information Manager of KDE.

Free scheduling software for spas, hair & beauty salons. Best online booking & calendar app. 100% FREE salon software. Try it Now!

Rainlendar - Customizable desktop calendar

Email, calendars, and contacts to highest standards of security, privacy and reliability.

paid Free Trial $3.0 / Monthly (per user)

All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.

hMailServer is a free e-mail server for Microsoft Windows.

Take control of your schedule and get reminded wherever and however you want.

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.