Chttr.co vs Viber
A side-by-side look at Chttr.co and Viber. For an in-depth review of either product, follow the links below.
Chttr.co
Social & Communications
Chttr.co is a free, open-source alternative to Slack that allows teams and organizations to chat and collaborate. It offers public/private channels, direct messaging, file sharing, search, and integrations with other services.
opensourceselfhostedteam-chatchannelsdirect-messagingfile-sharingintegrations
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts
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