9 meilleures alternatives Open-Source à Slack [2026]
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You don’t actually own your chats.Slack, Teams, Discord do.Element changes that.Built on Matrix:• open-source (fully auditable)• self-host or choose your own homeserver• decentralized (no single authority)• cross-server communication (federation)• end-to-end encrypted messaging + calls (Olm/Megolm)And it goes further:• cross-platform (Windows, macOS, Linux, iOS, Android, web)• no vendor lock-in (switch servers anytime)• bridges to Slack, Discord, IRC, etc.• resilient (no single point of failure)
0:39
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