Unison by Rotunda Software is described as 'Unison is a group communication tool that helps organizations connect and organize their people. With Unison, organizations of all sizes can share news, create polls, upload documents, send reminders, and encourage discussion all in one place' and is an website in the Network & Admin category. There are four alternatives to Unison by Rotunda Software, not only websites but also apps for Android and iPhone. The best alternative is Google Groups, which is free. Other great sites and apps similar to Unison by Rotunda Software are TidyHQ (Freemium), Mobilize (Freemium) and OnlineGroups.net (Paid).
Google Groups is all about helping users connect with people, access information, and communicate effectively over email and on the web. Now theres a new version on the block. We didnt want to say it, but yes, its new and improved.