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company:
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end-to-end encrypted video conferencing (Swiss, open-source client) (1) ·
end-to-end encrypted video meetings (1) ·
open-source Slack alternative with omnichannel support (1) ·
open-source Slack alternative with self-hosted free tier (1) ·
open-source video conferencing, no account required (1) ·
self-hostable, open-source video conferencing (WebRTC) (1) ·
team messaging with channels and threads, not recommended (1) ·
video conferencing with breakout rooms and webinars, not recommended (1)
protocol:
url:
pricing:
amount:
$7.99/mo standalone, or bundled into Proton Workspace plans (free tier
available: up to 50 participants, meetings under 1 hour, no account needed for
4-person instant calls) (1) ·
$8.75/user/month (free tier available) (1) ·
Commercial/Government/Defense tiers are custom-priced (free self-hosted Community
edition available) (1) ·
Free (40-min cap on group calls, 100 participants); Pro from
$14.16/user/mo (annual) / $16.99 (monthly), removes the time cap (1) ·
Free and open source (Apache 2.0). Self-host at only your hosting cost, use the free
public meet.jit.si instance, or buy 8x8's managed Jitsi as a Service (JaaS) for scale/branding. (1) ·
Free on the public instance (meet.jit.si) or self-hosted at no
licensing cost (Apache 2.0); managed hosting via 8x8 JaaS from $0.35/monthly
active user, or $99+/mo (1) ·
Free tier hosts up to 50 participants for 1 hour per call; guests join by link with no
account. Paid Meet Professional raises this to 100 participants and 24-hour calls with recording;
higher Workspace tiers reach 250. Often bundled with the rest of the Proton suite. (1) ·
Professional $10/user/mo; Enterprise custom pricing (self-hosted free tier available) (1)
source license:
hosting:
description:
None (2) ·
'''Not recommended.''' Cloud video conferencing with breakout rooms,
webinars, and cloud recording. Included here for comparison against
[[Proton Meet]] and [[Jitsi Meet]], the alternatives we do recommend. (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) ·
End-to-end encrypted video meetings from Proton, built on the open
MLS (Messaging Layer Security) protocol. Swiss-based and subscription-funded,
positioned as a privacy-respecting drop-in replacement for Zoom. (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) ·
Open-source video conferencing usable instantly with no account
via the free public instance, or self-hosted for full control over data and
infrastructure. (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)
usage notes:
None (6) ·
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) ·
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)
rejected alternatives:
category: (Click arrow to add another value)
Showing below up to 8 results in range #1 to #8.