nada vs Zarafa
A side-by-side look at nada and Zarafa. For an in-depth review of either product, follow the links below.
nada
Social & Communications
Nada is an open-source program that allows you to make audio calls over the internet. It is designed to be simple, lightweight, and easy to use for making Voice over IP (VoIP) calls.
opensourceaudio-callsvoice-over-ipvoipsimplelightweight
Zarafa
Office & Productivity
Zarafa is an open source groupware suite that includes email, calendars, contacts, tasks and more. It aims to be a full-featured Exchange alternative for businesses and organizations.
emailcalendarcontactsopen-sourcegroupware