Best Self-Hosted Alternatives to Discord
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Discord is where many communities live: servers split into text channels, voice rooms and video, free to use, with paid Nitro tiers for perks. People look elsewhere when they want their members' messages and accounts on a server they control, or a chat that isn't tied to one company's moderation and policy decisions. The self-hosted chat servers below cover channels, threads, direct messages and integrations.
Discord is free — but your data lives on its servers, not yours. These researched, open-source alternatives give you the same workflow on hardware you own — here's what each needs to run.
The alternatives
MattermostAGPL-3.0
CategoryTeam chatStackGo · React · PostgreSQLMin RAM2048 MBOfficial imageYesDifficulty3 / 5
NodeBBGPL-3.0
CategoryForumStackNode.js · MongoDBMin RAM512 MBOfficial imageYesDifficulty2 / 5
Rocket.ChatMIT
CategoryTeam chatStackNode.js · MongoDBMin RAM8192 MBOfficial imageYesDifficulty3 / 5
SynapseAGPL-3.0
CategoryTeam chatStackPython · Rust · SQLite · PostgreSQLMin RAM1024 MBOfficial imageYesDifficulty2 / 5
What you give up by leaving Discord
Leaving Discord means giving up its voice channels and screen sharing in one polished app, its bots and its network effect: your members already have accounts. Synapse is the Matrix homeserver, so any Matrix client works and you can federate with other servers, but it hosts accounts and rooms only, with the client chosen separately. Rocket.Chat is the most extensible all-in-one, with voice and video through marketplace call apps rather than built in. Mattermost is a Slack-style team chat; its default Docker image is the Enterprise build, which without a licence keeps only the latest 10,000 channel messages unless you switch to the MIT Team Edition image. All three are workspace chat first and community server second.
Where to host itaffiliate disclosure
Kamateratrial any of these on
The entry tier is a free trial — fine for a first look. Size it up (or run the 2 vCPU / 4 GB box the cost figures above assume) once you're keeping it.1 vCPU · 1 GB RAM · 20 GB SSD · $4.00/moDigitalOceanalso works on
From $6/mo · 1 vCPU / 1 GB / 25 GB · US + EU + AsiaPaid link — we earn a commission if you shop through it.
Head-to-head
Team chatSep 2026
Mattermost
vs
Rocket.Chat
Fast and Slack-like vs. all-in-one platform.
Read the verdict →
Team chatSep 2026
Mattermost
vsZulip
Slack-style channels and threads vs. every message filed under a topic.
Read the verdict →
ForumOct 2026
NodeBB
vs
Discourse
A Node.js forum from a Compose file with ActivityPub in the core, or the Rails forum that ships everything in one container.
Read the verdict →
Common questions
Are these Discord alternatives really free?
The software is open-source and free to run. Your only cost is the server it runs on — often a few dollars a month, less than most SaaS subscriptions.
How much server do I need to self-host one?
Most of these run comfortably on a small VPS — 1–2 GB of RAM is enough for a single-user or small-team setup. Each app's page lists its minimum RAM.
Will I lose features by leaving Discord?
It depends on the app. The alternatives below cover the core workflow; polish and integrations vary, so check each one's stack and difficulty before you commit.