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buzz

32.2k

A self-hosted alternative to Slack

Apache License 2.0Open Source — No Paywall7 Containers — 7 containers — heavy hosting footprintDocker · Compose · Binary +2Needs Postgres1 documented maintainer

About

Buzz is a self-hostable workspace for teams that want humans and AI agents to operate in the same shared room. It combines chat-like collaboration with an event-log model, so messages, reactions,...

Community Ratings

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Features

  • channels
  • threads
  • direct messages
  • canvases
  • media comments
  • search
  • audit log
  • agent collaboration
  • YAML workflows
  • git events

Details

Last Updated
Sep 5, 2026
Created
Mar 6, 2026
Install Methods
dockerdocker-composebinarypackage-managersource
Requirements
DockerHermit or Rust 1.88+Node 24+pnpm 10+justPostgresRedisMinIOoptional Caddy/TLSGit for Windows (for Windows shell support)
Authentication
local
API
RESTWEBSOCKET
Privacy & Independence
Cloud: Optional
User Model
Multi-UserMulti-Tenant
Deployment

Deployment: Docker Compose ✓7 Containersheavy hosting footprintRuns as 7 containers

Docker Compose

7 services · database: postgres · infra: postgres, redis, minio · 4 unclassified (adminer, keycloak, mc, prometheus)

≈1.6 GB RAM requested (from Docker memory limits)

needs persistent storage (4 volumes)

docker-compose.yml · @ 24ec6a4 · scanned Aug 21, 2026

name: buzz

services:
  postgres:
    image: postgres:17-alpine
    container_name: buzz-postgres
    environment:
      POSTGRES_USER: buzz
      POSTGRES_PASSWORD: buzz_dev
      POSTGRES_DB: buzz
      PGDATA: /var/lib/postgresql/data
    ports:
      - "127.0.0.1:5432:5432"
    volumes:
      - postgres-data:/var/lib/postgresql/data
    networks:
      - buzz-net
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U buzz"]
      interval: 5s
# ...

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Metadata extracted from README on Aug 21, 2026

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