Free and open first
Best Team Chat Apps in 2026 — page 2
- 63 apps
- Research read 28 Sept 2026
- How the order is worked out
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Fluxer
Free plan AndroidiPhoneLinux+4Fluxer combines broad platform support, multimedia chat, moderation, and self-hosting in a free offering.
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Output Messenger
by Output MessengerFree plan AndroidAPIiPhone+5Output Messenger combines team communication with work tools and offers several platform options, including self-hosting.
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Stoat
Free plan AndroidAPIiPhone+5Stoat combines community chat and moderation features with web, desktop, and mobile platform listings, plus an option to self-host.
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GroupMe
Free plan AndroidAPIiPhone+3GroupMe combines large-group messaging with event planning, polls, albums, and admin tools.
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TeamTalk 5
by TeamTalk 5Free plan AndroidAPIiPhone+4TeamTalk 5 combines free conferencing with self-hosting, broad platform support, and sharing tools. SDK buyers should account for the separate one-time licenses and VAT exclusion.
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Gitter
Free plan AndroidAPIiPhone+1Gitter provides free community conversations with Matrix support, familiar sign-in options and developer access through an API.
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Beeper
Free plan AndroidiPhoneLinux+2Beeper centralizes many messaging services across major desktop and mobile systems, with free and paid account limits.
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Quassel IRC
Free plan AndroidiPhoneLinux+3Quassel IRC provides a distributed IRC setup with persistent sessions and configurable views across desktop platforms.
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Bopup IM Suite
by Bopup IM SuiteFree plan AndroidWindowsBopup IM Suite combines workplace messaging with several integration options and deployment choices.
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Pingly
Free plan iPhoneWebPingly combines business-domain email, team Channels, forwarding, and message activity in one service.
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SlackBridge
Free plan APIWebSlackBridge focuses on practical Slack–Teams channel bridging with free and Pro capacities. Check its thread, mention, security, and permission limitations before connecting workspaces.
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Ripcord
Free plan LinuxMacWindowsRipcord offers a compact, customizable desktop client for Slack and Discord with unlimited history and low stated resource use.
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LAN Messenger
Free plan LinuxMacWindowsLAN Messenger focuses on local-network communication with messaging, broadcasts, file transfers, and archives.
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Polari
Free plan LinuxPolari offers focused IRC chatting with GNOME integration, network choices, notifications, and simple sharing tools.
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Miranda NG
Free plan WindowsMiranda NG offers broad protocol coverage in a free Windows desktop client with downloadable plugins and customization options.
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Collabee
Free planCollabee combines project tasks, communication, shared materials, and status views.
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