Drilldown: tool
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$8.75/user/month (free tier available) (2) ·
Commercial/Government/Defense tiers are custom-priced (free self-hosted Community
edition available) (1) ·
Self-hosted is free, no user limit. Enterprise support from EUR 67.89/user/yr
(100-user minimum). Nextcloud One managed hosting ~EUR 13-15/user/mo. (1)
None (1) ·
'''Not recommended.''' Cloud-based team messaging platform with channels,
threads, and integrations. Free tier limits message history to 90 days and caps
integrations at 10. Included here for comparison against [[Mattermost]] and
[[Rocket.Chat]], the two self-hosted alternatives we do recommend. (1) ·
Cloud-based team messaging platform with channels, threads,
and integrations. Free tier limits message history to 90 days and caps
integrations at 10. (1) ·
MIT-licensed, self-hostable team chat with channels, voice/video, and broad
integration support. Its omnichannel inbox unifies live chat, email, WhatsApp, and
Telegram into one agent queue -- useful if you also want to replace a separate
customer-support tool, not just internal chat. (1)
None (2) ·
Guest access available on paid plans for external collaborators.
Slack Connect allows cross-organization channels with other Slack workspaces. (1) ·
Has the most GitHub momentum of the self-hosted Slack alternatives
(~45k stars). The free Community edition covers most day-to-day needs; exceeding
Starter-plan limits blocks adding new users but does not lock you out of existing
data. (1)
Showing below up to 4 results in range #1 to #4.


