Communication

Slack is a workplace communication platform built around channels, direct messages, integrations, and searchable conversations.

Microsoft Teams combines chat, video meetings, and file collaboration, tightly integrated with Microsoft 365.

Discord organizes communities and teams around text channels, voice rooms, and real-time conversation.

Mattermost is an open-source team messaging platform built for organizations that want to host and control their own chat infrastructure.

Zoom is an AI-integrated work platform unifying video meetings, team chat, phone/VoIP calling, and collaborative docs and whiteboarding into one product suite.

KrispCall is a cloud-based business phone system providing global calling, SMS/MMS, and voicemail in one unified inbox, with call recording, IVR, power dialer, and 100+ integrations for growing businesses.

Aircall is a cloud business phone and customer-conversation platform for sales and support teams, combining calling, SMS/MMS, IVR, call recording, analytics, AI features, and CRM/helpdesk integrations in desktop and mobile softphones.

Dialpad is an AI-powered cloud communications platform providing business VoIP calling, video meetings, team messaging, and live AI call transcription with real-time sentiment analysis.

Google Chat is a team messaging and collaboration app within Google Workspace, offering direct messages, group spaces, and Gemini-powered AI features integrated with Gmail, Drive, and Meet.

Google Meet is Google's video conferencing service for business communication, offering HD video calls, screen sharing, and Gemini-powered AI meeting features within Google Workspace.

Nextiva is a cloud business phone system and VoIP communications platform combining voice calling, video conferencing, team chat, SMS, and customer relationship management.

RingCentral is a cloud communications platform providing business phone, team messaging, video meetings, and AI-powered customer engagement and contact center tools.

Rocket.Chat is a secure communications platform that unifies messaging, voice, video, and AI within self-hosted, on-premises, or air-gapped deployments for organizations with strict security and data-sovereignty needs.

Signal is a nonprofit messaging app that provides end-to-end encrypted text messaging, voice messages, and voice and video calls by default, with no ads or tracking.

Telegram is a cloud-based mobile and desktop messaging app focused on speed and security, supporting large groups, broadcast channels, and bots.

Cisco Webex is an AI-powered collaboration platform for video meetings, webinars, calling, and messaging, with an in-house AI Assistant for transcription, translation, and meeting summaries.