OpenChange Project download

OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.

OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.

Features

Exchange 2010 compatibility
encryption connections to Exchange server
Improved portability for x86 x86_64 architecture (FreeBSD, OpenSolaris)
exchange2ical tool rewritten (GSoC 2009 - make use of libical)
Improvements for the OpenChange proxy server (mapiproxy)

Project Activity

See All Activity >

License

GNU General Public License version 2.0 (GPLv2)

Follow OpenChange Project

OpenChange Project Web Site

Other Useful Business Software

MongoDB Atlas runs apps anywhere

Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.

Start Free

Rate This Project

User Ratings

5.0 out of 5 stars

★★★★★

★★★★

★★★

★★

★

ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5

User Reviews

Filter Reviews:

All

hamza31231 Posted 2017-10-12

Please don't stop the project! What happened?
rettung Posted 2010-08-08

Keep on with your great work

1 user found this review helpful.

Additional Project Details

Operating Systems

BSD, FreeBSD, HP-UX, IBM AIX, Linux, NetBSD, OpenBSD, Solaris

Languages

English, French

Intended Audience

Developers, End Users/Desktop, System Administrators

User Interface

Non-interactive (Daemon)

Programming Language

Related Categories

C Email Clients, C Scheduling Software, C Office Suites, C Proxy Servers

Registered

2003-11-10

Similar Business Software

SmarterMail

SmarterMail is the ideal Microsoft Exchange alternative. It’s the only business email server on the market that offers native support for Exchange protocols: MAPI, EWS, and EAS, without requiring any additional software or plug-ins for Microsoft Outlook or other desktop or mobile clients. It...

See Software
Amazon WorkMail

Amazon WorkMail is a secure, managed business email and calendar service with support for existing desktop and mobile email client applications. Amazon WorkMail gives users the ability to seamlessly access their email, contacts, and calendars using the client application of their choice,...

See Software
eM Client

Boost your email and skyrocket your productivity with the best email client for Windows and macOS. eM Client is a fully-featured email client with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes, and chat. eM Client's compatibility is...

See Software
FairEmail

FairEmail is easy to set up and works with virtually all email providers, including Gmail, Outlook and Yahoo! FairEmail might be for you if you value your privacy. FairEmail is an email client only, so you need to bring your own email address. FairEmail does not support non-standard protocols,...

See Software
OfficeCalendar

OfficeCalendar for Microsoft Outlook is an easy-to-use software application designed for sharing Microsoft Outlook information between colleagues and coworkers. OfficeCalendar is an affordable alternative to Microsoft Exchange Server, which is considered to be too expensive and complex for many...

See Software
Resource Central

Resource Central by Add-On Products is a complete workspace, meeting, and resource scheduling software for Microsoft Outlook®, Exchange, and Microsoft 365. With Resource Central, users can easily search for and book suitable meeting rooms, workspaces, and resources, order catering, list and book...

See Software