OpenChange vs Sipdroid
A side-by-side look at OpenChange and Sipdroid. For an in-depth review of either product, follow the links below.
OpenChange
Office & Productivity
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.
opensourceexchangeemailservermapiemsoab
Sipdroid
Social & Communications
Sipdroid is a free open-source SIP client for the Android platform that allows users to make VoIP calls and send instant messages over Wi-Fi or mobile data.
voipsipandroidopensource
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