Google Calendar
Free
Google Calendar is a cloud based calendar from Google.
Apple Mail
Free
Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.
Postbox
Commercial
Postbox is powerful, intuitive, ultra-customizable, speedy task manager.
Rainlendar
Freemium
Rainlendar is a calendar program for Windows, Mac OS X and Linux.
EssentialPIM
Freemium
EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries, e…
Airmail
Commercial
Airmail is a fast mail client for Mac and iPhone.
Mutt
Open Source
Mutt is a text-based email client for Unix-like systems.
Zimbra Desktop
Free Personal
Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.
FullContact
Freemium
FullContact gives you all the power of your address book, right in your Gmail inbox.
Google Contacts
Free
Google Contacts is Googles contact management tool that is available in its free email service Gmail.
Contacts
Commercial
Contacts is a default contacts management app for Mac based operating systems.
Polymail
Freemium
Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.
MailMate
Commercial
MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.
FCorp ID Book
Free
FCorp ID Book is a portable, light but powerful address book.
Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
eM Client
Free Personal
eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.
Apple Calendar
Free
Calendar is a personal calendar application made by Apple Inc. that runs on both the macOS desktop operating system and iOS mobile operating system.
MyLifeOrganized
Freemium
MyLifeOrganized (MLO) is the most flexible and powerful task management software for getting your to-dos finally done.
The Bat
Commercial
The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently.
Sylpheed
Open Source
Sylpheed is an open-source e-mail client and news client licensed under the GPL.
Fantastical
Commercial
Fantastical is the calendar app for Mac.
UV Outliner
Free
UV Outliner is a single pane outliner with multicolumn support.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
Memotoo
Commercial
Memotoo sync all your contacts from Gmail, Facebook, phone, Thunderbird, Outlook, etc in a single address book.
AOL Mail
Free
AOL Mail (Aol Mail) is a free web-based email service.
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.
Kontact - KOrganizer
Open Source
KOrganizer is the calendar and scheduling component of Kontact, the integrated personal information manager from KDE.
Compare Kontact with alternatives
Compare Google Calendar and Kontact and decide which is most suitable for you.
Compare Microsoft Office Outlook and Kontact and decide which is most suitable for you.
Compare Apple Calendar and Kontact and decide which is most suitable for you.
Compare MyLifeOrganized and Kontact and decide which is most suitable for you.
Compare EssentialPIM and Kontact and decide which is most suitable for you.
Compare Fantastical and Kontact and decide which is most suitable for you.
Compare Zimbra Desktop and Kontact and decide which is most suitable for you.
Compare UV Outliner and Kontact and decide which is most suitable for you.
Compare FullContact and Kontact and decide which is most suitable for you.
Compare OpenProject and Kontact and decide which is most suitable for you.
Compare Google Contacts and Kontact and decide which is most suitable for you.
Compare Microsoft Mail and Calendar and Kontact and decide which is most suitable for you.
Compare Kontact - KOrganizer and Kontact and decide which is most suitable for you.
Compare FCorp ID Book and Kontact and decide which is most suitable for you.