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Mattermost vs Secure Instant Messaging

A side-by-side look at Mattermost and Secure Instant Messaging. For an in-depth review of either product, follow the links below.

Mattermost

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
Secure Instant Messaging

Secure Instant Messaging

Security & Privacy

Secure instant messaging (SIM) software provides encrypted messaging to protect user privacy. Popular open-source options include Signal and Telegram, which offer end-to-end encryption. Enterprise options like Symphony and Cisco Jabber also exist.

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