PrivacyTools.io
Reviewed by Marcus Holmberg
Replace today: Discord Slack Microsoft Teams

The Best Private Team Chat and Community Platforms in 2026

Private alternatives to Discord, Slack, Microsoft Teams, vetted against our public criteria.

Discord and Slack keep your community on their servers and mine the metadata around every message, and they can lock or read anything you store there. These platforms put the same channels and voice chat on infrastructure you or the community controls, most of them self-hostable and open source. You can run the server yourself or pay a vendor that sells software rather than your conversations, and either way the room belongs to you. These are the team chat platforms we recommend.

Why you can’t just make Discord or Slack private

Discord and Slack are free or cheap because the platform is the product and your activity is the asset, and a settings page cannot change that arrangement. Server-side, they hold the full social graph of who talks to whom and how often, down to the channels you sit in, no matter which privacy toggles you flip. A toggle can hide a message from another member; it cannot hide the room from the company that owns it. There is no configuration for “stop being the host,” because hosting your community is the whole basis of the service. The only real fix is to own the server, or pay a host that sells software instead of data, which is what every pick on this page is built to let you do.

What to look for in a community platform

Self-hosting is the strongest version of this, since the data sits on a server you answer to and nobody else can quietly read or monetise it. If you would rather not run it, look for a managed plan from a company whose business is selling the software, ideally with end-to-end encryption for private rooms. Open-source code matters here more than almost anywhere, because a community accumulates years of conversation and you want the standing option to audit it or move it elsewhere. Rocket.Chat and Zulip take different approaches to the same idea, so weigh whether your group lives in fast channels or in organised threaded discussion.

How we pick these

Every platform here is measured against our public listing criteria: you can host it yourself or choose a vendor that does not mine the content, the code is open so you can audit or migrate later, private conversations can be properly encrypted, and the project is healthy enough to trust with years of a community’s history. We weigh how realistic the upkeep is for a volunteer admin, not just the feature list. We only list platforms we would run our own community on, and we are honest that owning the server means owning the responsibility too.

What you give up, and what you gain

The trade is real: when you own the server, you become the admin. That means moderation and backups and keeping the lights on, which is more responsibility than clicking “create server” on a platform that handles it for you. What you gain in return is the thing the mainstream services cannot offer, a community whose conversations and social graph belong to the people in it rather than a company selling around them. For many groups that ownership is worth the work, and a managed plan splits the difference by handing the infrastructure to a vendor you chose on merit.

How to switch from Discord or Slack

Stand up one of these for your core group and re-create your channels and roles, then run it alongside the old server while people migrate. Communities move on social proof, so seed the new space with your most active members first and let the rest follow the activity. If you are leaving Discord specifically, our Discord alternatives page covers the move in detail. For the private side conversations a team always has, pair it with private messaging, and if you are untangling a workplace from Microsoft Teams, the escape Microsoft playbook puts the rest of that ecosystem in one place.

Frequently asked

Do I have to self-host a team chat platform?
Not always. Self-hosting gives you the most control, since the data sits on a server you answer to, but several of these also offer managed hosting from a company that sells software rather than your conversations. Either route escapes the Discord or Slack model, where the platform mines the activity around every message because that is how the service pays for itself.
Can I move an existing community to a new platform?
Usually yes, though it takes effort. Most platforms let you re-create channels and roles, and some offer import tools for the history. The harder part is social rather than technical: seed the new space with your most active members first, run it alongside the old one for a while, and the rest of the community tends to follow where the activity goes.
Is a self-hosted chat server actually more private?
It is, in the way that matters most: a server you run holds the full record of who talks to whom, and that record stays with you instead of a company whose business is built on it. A managed plan from a software vendor is a strong middle ground. The key is who controls the room, because no privacy setting changes the fact that the host can see the social graph.
Do these platforms support voice and video calls?
Many do, either built in or through an add-on, so a community can keep the voice channels and screen sharing it relies on. Capabilities vary between platforms, so check the specific tool, but the goal is the same features you expect from a mainstream service, running on infrastructure you or the community controls rather than a vendor's.
How much technical skill does running a community server take?
Less than it used to. The platforms here are designed to be installed and maintained by a capable volunteer rather than a dedicated team, and a managed plan removes the server work entirely if no one wants the job. The real ongoing cost is moderation and administration, which any community needs regardless of where it is hosted.
Will my members notice a difference coming from Discord or Slack?
The day-to-day feels familiar: channels and threads work the way people expect, and roles and permissions carry over too. The main adjustments are practical, such as a new address to bookmark and an account to create. Most of the friction in a move is habit and social inertia rather than missing features, which is why running the new space in parallel for a while smooths the change.