Unison is unique in offering our enterprise software both as a sponsor-supported free version and a paid-version without ads.
By offering Unison without charge, we aim to give millions of companies the benefit of secure, powerful unified communications at a total cost that is affordable. The ads that run in Unison will be unobtrusive and Unison does not have access to your personal information. For more details, see our overview of sponsor-supported Unison.
We encourage you to look at Unison and judge for yourself:
