OpenWhatsapp vs Viber
A side-by-side look at OpenWhatsapp and Viber. For an in-depth review of either product, follow the links below.
OpenWhatsapp
Social & Communications
OpenWhatsapp is an open-source, ad-free alternative to WhatsApp. It allows users to send messages, make voice and video calls for free while respecting privacy.
messagingprivacyopensource
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
Related Comparisons
Google Voice
Mattermost
TeamSpeak
Xabber
RebTel