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Software · Raspberry Pi & electronics

OpenCCU

:house: Buildroot-based, cloud-free smart-home platform for a Homematic IP CCU (CCU3/ELV-Charly). Runs on Raspberry Pi & x86/ARM or as a virtual appliance (Proxmox VE, Home Assistant, Docker/LXC/K8s)...

  • Completely free
  • Linux
  • Open source
  • No account

Overview

OpenCCU is a home automation program, available on Linux.

Features described in its GitHub repository: plugins and add-ons.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Your own flexible & cloud-free homematicIP® CCU smart home solution” — official website, 10 November 2026
  • “Works with the same Homematic / Homematic IP hardware, WebUI features, and add-on ecosystem as the vendor CCU firmware. • Backup interchangeability.” — GitHub, 10 November 2026

At a glance

OpenCCU is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 9 November 2026
  • Description from github.com — Dépôt GitHub OpenCCU/OpenCCU (Apache-2.0)

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