Drilldown: tool
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Free tip-jar platform with the lowest baseline fees of the group -- 0% on
simple one-time tips -- plus optional shop/membership features. No nonprofit registration or
business entity is required to sign up. (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)
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) ·
Registration: no nonprofit status or business registration required to sign up. (1)
Showing below up to 2 results in range #1 to #2.


