Icewarp Alternatives

Slack brings together all your communications in one place. Modern teams for the real-time messaging, archiving and search. Features:Freemium,Mac,Windows,Linux,Web,Android

Months all-in-one online office suite. 6.8 the gearbox itself for companies to improve the productivity, and easy real-time collaboration. 6.8 Features:Free,Personal,Web

For business (formerly Google apps for business cloud applications Suite G, under Google, the selection of customer products, including user-friendly cover-defined domains. This Features:Commercial,Mac,Windows,Linux,Web,Chrome,OS

Same page, a page, you can get all the information about the project and the cooperation with your team in real time The project brings together a complete suite of the same page Features:Freemium,Mac,Windows,Web,Android,iPhone

Kolpa day online Now safe, easier, smarter, and above all, the communication of the day, user-friendly, intuitive environment provides a package of applications. Features:Commercial,Open,Source,Web,DAVdroid

Simple Groupware is a secure, scalable, reliable, flexible, highly-featured collaboration suite. Features:Free,Open,Source,Linux,Web,Self-Hosted

Zimbra Collaboration e-mail, calendar, tasks, and more open, secure collaboration tool. Today, the most innovative web application, Zimbra Features:Commercial,Linux,Web

Kopano e-mail, video meetings, calendars, and notes in a single interface, the solution is file sharing. Kopano helps and works, except for smart people Features:Commercial,Mac,Windows,Linux,Web,Android

Enterprise-or cloud-based Office 365, the Microsoft Office products use software with this license is subscription-based services. Offers for consumers Features:Commercial,Web

Low-cost virtual check e-mail for companies or hosted deployments for companies that want to use e-mail server software is easy. Webmail is integrated with the physician Features:Commercial,Windows

Axigen can integrate offers a multi-tenant, multi, allinone, e-mail, calendar, messaging, and collaboration solutions. The brand offers a wide Features:Commercial,Mac,Windows,Linux,BSD,Self-Hosted

Kerio connect-e-mail, calendar, contacts and task management easy and affordable. Also a connection to communicate with immediate, secure access Features:Commercial,Mac,Windows,Linux,Web

A new open-source, self-hosted-chat-communities as an alternative to the creation of sustainable wealth. Features:Freemium,Open,Source,Web,Self-Hosted

Stride group messaging, video sessions, and the built-in collaboration tools for communication with teams in the full solution. Features:Freemium,iPhone,iPad

Fullness and discord, such as group Chat, desktop, client-centric services for the ripcord. Developed for power users, traditional compact desktop interface. Features:Free,Mac,Windows,Linux,Discord,Slack