SIGNAL
On both Apple and Android cellphones as well as through desktop computers, one may use the free texting and voice calling programme Signal, which focuses on anonymity. The nonprofit Signal Foundation and its subsidiary, Signal Messenger LLC, are the developers of this cross-platform, centrally managed, encrypted instant messaging service. Users of Signal may communicate with one other and with groups of people using the platform to transmit files, voice messages, photos, and videos.
SLACK
Slack organises conversations into dedicated spaces called channels. Channels bring order and clarity to work — you can create them for any project, topic, or team. Teams can share ideas, make decisions, and move work forward.
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