team-chat
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Rocket.Chat
Bring together messaging, voice, video, critical apps, and AI to keep teams connected and missions protected.
Rocket.Chat Wires HubSpot Straight Into the Chat Window
The open-source messaging platform's HubSpot CRM app pipes leads, deals and support tickets into the conversation - so sales and support teams stop tab-hopping between the CRM and the chat where the customer actually is.
Mattermost
Mattermost is an open-source, self-hostable collaboration platform built for organizations that cannot put their conversations in someone else's cloud. Started as a game studio's internal chat tool and open-sourced in 2015, it grew into the leading self-hosted alternative to Slack and Microsoft Teams, combining channel messaging, voice and screen sharing, incident-response Playbooks, and integrated AI agents. Its customers skew toward defense, government, financial services, and technology organizations - from the U.S. Air Force to Uber - that need data sovereignty, air-gapped deployment, and government-grade security.
Josh Lee
Josh Lee is the Co-Founder and CEO of Swit Technologies Inc., a San Francisco-based enterprise Work OS that unifies team chat and task management into a single platform. A former English teacher from Korea who turned his frustration with fragmented collaboration tools into a $20M ARR business, Lee launched Swit in March 2019 with co-founder Max Lim. Today, over 40,000 teams across 184 countries use Swit, which has raised $85.8M in total funding including a $32.7M Series B in 2022. Lee has pioneered the 'Super Work' framework for AI-era collaboration and unveiled Swit Snap, an AI co-pilot, at Google Next 24 in April 2024.
Swit
Swit is an AI-powered enterprise Work OS that fuses team chat, task management, project workflows and integrations into a single hub. Founded by Josh Lee and Max Lim in 2017, it serves more than 40,000 teams across 184 countries and is headquartered in San Francisco with roots in Seoul.