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company:
tagline:
annually-audited, open-source no-logs VPN (Gibraltar) (1) ·
anonymous, open-source, audited no-logs VPN (Sweden) (1) ·
open-source Slack alternative with omnichannel support (1) ·
open-source Slack alternative with self-hosted free tier (1) ·
open-source VPN from a Swiss non-profit, with a free tier (1) ·
run your own VPN, no operator to trust (1) ·
team messaging with channels and threads, not recommended (1)
protocol:
url:
pricing:
amount: (Click arrow to add another value)
source license:
hosting:
description:
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) ·
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) ·
Privacy-first WireGuard/OpenVPN provider run from Sweden. No email or personal
details at signup -- you get a random account number instead of a username/password. Owned by
Mullvad VPN AB (also behind the Mullvad Browser, built with the Tor Project). (1) ·
Privacy-focused WireGuard/OpenVPN provider operating from Gibraltar under IVPN
Limited since 2009. All client apps are open source under GPLv3. Signup requires no personal
information -- just the generated account ID. (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) ·
WireGuard/OpenVPN provider from Geneva, operated by Proton AG and majority-owned by
the non-profit Proton Foundation. Founded by scientists who met at CERN; same organisation as
Proton Mail. Every client app (Windows, macOS, Linux, Android, iOS) is open source. (1)
usage notes:
None (5) ·
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:
None (3) ·
Commercial Israeli-owned VPNs (Kape's ExpressVPN / CyberGhost / PIA /
ZenMate, Hola, Hotspot Shield) reintroduce exactly the operator you're trying to remove -- see
[[:Category:VPN]]. (1) ·
ExpressVPN, CyberGhost, PIA, and ZenMate are all owned by the
British-Israeli Kape Technologies (now a delisted black box); Hola VPN is Israeli and resold
user bandwidth. See [[:Category:VPN]] for the full ownership picture. (1) ·
Israeli-owned options (Kape's ExpressVPN / CyberGhost / PIA / ZenMate,
Hola VPN, Hotspot Shield via Pango) are rejected on ownership grounds -- see [[:Category:VPN]]. (1) ·
Kape's ExpressVPN / CyberGhost / PIA / ZenMate, Hola VPN, and Hotspot
Shield / Betternet are rejected on ownership grounds -- see [[:Category:VPN]]. (1)
category: (Click arrow to add another value)
Showing below up to 7 results in range #1 to #7.