Top 5 open-source software alternatives for Microsoft Exchange

Are youIs Microsoft Exchange Email Server Are you upset about overspending? Linux and Free/open Source code The world is strong enough, and there are many good open-source products that can replace Microsoft Exchange, and will not let your bank account lose money.

This article lists five open-source software that can be called Microsoft Exchange killer. The list is as follows:

1. Citadel

Citadel is an advanced group communication, collaboration, and BBS application system. You can use any remote logon, World Wide Web, or client software to connect to Citadel. Main features include: public and private information storage, email, real-time chat, paging, sharing calendar, address book, and mail list. Citadel provides its own data storage, making it easy to install. You don't have to "bring your own" emails and databases because they only have the multi-threaded servers and scalability you are creating. In addition, the SMTP, IMAP, and POP3 servers are built in to easily connect to Internet mail. Citadel is both robust and mature.

2. Open-Xchange

Open-Xchange provides most group functions, including calendar, contacts, to-do items, sharing projects and files, sharing knowledge, discussion forums, bookmarks, and emails. WebDAV/XML interfaces are provided to combine other software with open-Xchange contact management, calendar, to-do list and file functions.

3. zimbra

The powerful open-source collaborative office suite includes webmail, calendar, address book, and Web document management and creation. Its biggest characteristic is that it uses Ajax technology to simulate the style of CS desktop applications. The developed clients are compatible with Firefox, Safari, and IE browsers.

4. Sogo

Sogo is a group work system software that focuses on scalability and open standards.

Sogo provides an Ajax-based Web interface that supports multiple local clients through caldav, carddav, and groupdav protocols.

5. zarafa

Zarafa is a commercial collaborative software solution that provides email and webmail services, Address Book, calendar, notes, tasks, and so on. It is designed to be integrated with Microsoft Office outlook to replace Microsoft Exchange.

On April 9, September 18, zarafa announced the release of a complete server under the agpl license.Source codeThis includes not only mail servers that can be combined with outlook, but also 100% mapi, web access, tasks, iCal, and ActiveSync. Open source of zarafaCommunityThe version can be downloaded at www.zarafa.com/community.

Article Source: open-source Chinese community