Kolab Community Alternatives [Page 2]

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

Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online

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)

Is a collaboration suite (messaging and groupware).

EGroupware is free open source groupware software intended for businesses from small to enterprises.

Spend less time managing your day & more time enjoying it

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Network Solutions - Original domain name registration and reservation services with variety of internet-related business offerings. Quick, dependable and reliable.

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Open Source

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day...

Rainlendar - Customizable desktop calendar

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