Drilldown: tool
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free volunteer-run MediaWiki hosting for any wiki (1) ·
locally edit wiki files in markdown then deploy (1) ·
open-source Slack alternative with omnichannel support (1) ·
open-source Slack alternative with self-hosted free tier (1) ·
team messaging with channels and threads, not recommended (1) ·
team messaging with channels threads and integrations (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) ·
Doikayt's own self-hosted MediaWiki stack: Docker Compose
infrastructure plus a markdown-to-wikitext content pipeline for authoring
and deploying wiki pages (this wiki is built with it). (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) ·
Nonprofit, volunteer-run wiki hosting platform that provides
free MediaWiki instances with a wide range of pre-installed extensions. (1) ·
Self-hostable, MIT-licensed team chat closely modeled on Slack's channel-based
UX -- includes a Slack export/import path to ease migration. Free self-hosted tier
runs indefinitely with no per-seat licensing cost; paid tiers add SSO, compliance
exports, and HIPAA/FedRAMP-aligned deployment options. (1)
None (1) ·
Fewer native integrations than Slack out of the box -- most third-party
connections go through incoming/outgoing webhooks rather than a marketplace, so budget
some setup time. Good fit for teams that want a near drop-in Slack replacement and
value Go-based, ops-friendly self-hosting. (1) ·
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) ·
See https://www.mediawiki.org/wiki/Miraheze for an overview of
available extensions and account setup. No cost, donation-supported;
account required to create a new wiki. (1) ·
See the repo README for local setup and deployment
instructions. (1)
Showing below up to 6 results in range #1 to #6.


