Mattermost vs Viber
A side-by-side look at Mattermost and Viber. For an in-depth review of either product, follow the links below.
Mattermost
Social & Communications
Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.
chatmessagingteam-collaborationopen-source
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
Rocket.Chat
aTalk
Zulip
Zangi Business Solutions
A-Chat.org
Zoho Cliq