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11 stand-ins
Jitsi Meet
Zoom
Instead of Zoom. A browser video-meeting stack you can use on the public server or host yourself, with no account required to join a room. Communication · Apache-2.0 · Web, Self-hosted, iOS, Android · Free
BigBlueButton
Zoom
Instead of Zoom. A virtual classroom with shared notes, breakout rooms and recordings, built for teaching rather than generic meetings. Communication · LGPL-3.0 · Self-hosted, Web · Free
Chatwoot
Intercom
Instead of Intercom. A customer inbox that brings live chat, email and social messages into one self-hosted agent desk. Communication · MIT · Self-hosted, Web · Free, paid hosting
Element
Slack
Instead of Slack. A Matrix client for team chat, rooms and encrypted direct messages, that works with any Matrix server including your own. Communication · AGPL-3.0 · Web, Linux, macOS, Windows, iOS, Android · Free, paid hosting
FreeScout
Help Scout
Instead of Help Scout. A lightweight shared mailbox and helpdesk that looks close to Help Scout, and runs on a simple PHP host. Communication · AGPL-3.0 · Self-hosted, Web · Free, paid modules
Jami
Skype
Instead of Skype. A peer-to-peer messenger and voice app with no central server, for calls and file transfer between your contacts. Communication · GPL-3.0 · Linux, macOS, Windows, iOS, Android · Free
Mattermost
Slack
Instead of Slack. A self-hosted team chat with channels, threads, voice and a plugin ecosystem, used as a Slack stand-in for companies. Communication · AGPL-3.0 · Self-hosted, Web, Linux, macOS, Windows · Free, paid editions
Revolt
Discord
Instead of Discord. A self-hostable chat community with servers, roles and voice, built as an open alternative to Discord. Communication · AGPL-3.0 · Web, Self-hosted · Free
Rocket.Chat
Slack
Instead of Slack. A team chat and omnichannel inbox you can host yourself, with channels, live chat and federation options. Communication · MIT · Self-hosted, Web · Free, paid editions
Zammad
Zendesk
Instead of Zendesk. A helpdesk for email, chat and phone tickets, with automations and a self-hosted community edition. Communication · AGPL-3.0 · Self-hosted, Web · Free, paid hosting
Zulip
Slack
Instead of Slack. A team chat organised by topic inside each channel, which keeps long-running conversations easier to catch up on. Communication · Apache-2.0 · Self-hosted, Web, Web · Free, paid hosting