OpenChange vs Zimbra Collaboration Suite

Struggling to choose between OpenChange and Zimbra Collaboration Suite? Both products offer unique advantages, making it a tough decision.

OpenChange is a Office & Productivity solution with tags like opensource, exchange, email, server, mapi, ems, oab.

It boasts features such as Provides Exchange Server protocol compatibility on Linux, Supports MAPI, EMS, OAB, and other Exchange protocols, Allows Exchange clients to connect to Linux/UNIX servers, Implements Exchange Server features like mailboxes, address books, calendaring, Open source under the GNU General Public License v3 and pros including Free and open source, Avoids licensing costs of Exchange Server, Enables Exchange compatibility on Linux/UNIX, Active development community.

On the other hand, Zimbra Collaboration Suite is a Office & Productivity product tagged with email, calendar, contacts, collaboration, open-source.

Its standout features include Email, Calendar, Contacts, Document management, File sharing, Instant messaging, Video conferencing, Mobile sync, Spam filtering, Encryption, and it shines with pros like Open source, Feature rich, Extensible via plugins, Works across multiple platforms, Can be self-hosted or cloud-based, Scalable for large deployments.

Feature	OpenChange	Zimbra Collaboration Suite
Overall Score	N/A	N/A
Primary Category	Office & Productivity	Office & Productivity

Product Overview

OpenChange

Description: OpenChange is an open source implementation of Microsoft Exchange Server that allows Linux and UNIX servers to interoperate with Microsoft Exchange clients. It provides compatibility with Exchange protocols like MAPI, EMS, and OAB.

Zimbra Collaboration Suite

Description: Zimbra Collaboration Suite is an open source email and collaboration platform. It includes email, contacts, calendar, document management, and other collaboration tools. Zimbra is designed for enterprises and service providers.

Key Features Comparison

OpenChange Features

• Provides Exchange Server protocol compatibility on Linux
• Supports MAPI, EMS, OAB, and other Exchange protocols
• Allows Exchange clients to connect to Linux/UNIX servers
• Implements Exchange Server features like mailboxes, address books, calendaring
• Open source under the GNU General Public License v3

Zimbra Collaboration Suite Features

• Email
• Calendar
• Contacts
• Document management
• File sharing
• Instant messaging
• Video conferencing
• Mobile sync
• Spam filtering
• Encryption

Pros & Cons Analysis

OpenChange

Pros

• Free and open source
• Avoids licensing costs of Exchange Server
• Enables Exchange compatibility on Linux/UNIX
• Active development community

Cons

• Limited feature set compared to full Exchange Server
• Lacks some management capabilities
• Interoperability issues with some Exchange clients
• Limited enterprise deployment support

Zimbra Collaboration Suite

Pros

• Open source
• Feature rich
• Extensible via plugins
• Works across multiple platforms
• Can be self-hosted or cloud-based
• Scalable for large deployments

Cons

• Can be complex to setup and manage
• Lacks some features of proprietary solutions like Microsoft Exchange
• Limited native mobile apps
• Requires more IT resources than SaaS options

Pricing Comparison

OpenChange

• Open Source

Zimbra Collaboration Suite

• Open Source
• Subscription-Based