@home - iOS
HistClient - $ (inApp-Purchase) - CCU-Historian Client mit erweitereten Features für iOS und Android
Home-24 - $ Android
HomeControl - $ iOS
TinyMatic - $ Android (ehemals: HomeDroid)
HomeNOW - $ Android
Orbylon - $ iOS, Android, Windows Phone
Pocket Control - $ iOS

CCU Alternatives

Anleitung zur Installation der CCU auf einem x86 system - OCCU Installation auf x86 Systemen
Homegear - Free and open source program to interface your smart home devices with your home automation software or your own scripts.
piVCCU - Install the original Homematic CCU2 firmware inside a virtualized container (lxc) on a Raspberry Pi running Raspbian Jessie or Stretch.
RaspberryMatic - Lightweight, OCCU and Linux/buildroot-based distribution for running a HomeMatic CCU on embedded devices like the RaspberryPi.

Alternative Sensors, Actuators and Hardware Modifications

AskSinPPCollection - Einführung, Dokumentation und Projekte rund um Selbstbau-Komponenten mit AskSinPP
Beispiel_AskSinPP - Beispiel Sketche für die Verwendung der AskSinPP Bibliothek
HAUS-BUS.DE - $ Homematic Wired kompatible Geräte.
Homematic Wired Hombrew Hardware - Verschiedene Homebrew Sensoren/Aktoren für Homematic Wired.
stall.biz - $ Alternative Antennen, Multi Sensor für das Wohnzimmer, Wetterstation, ...

CCU Historian - Langzeit Archiv und Graphen.
CUxD - Der "Leatherman" für die CCU. Verbindet FS20, ... ($ EnOcean, ...), stellt virtuelle Geräte und hilfreiche Tools zur Verfügung.
CUxD-Highcharts - Visualisiert CUxD Logs mit Highcharts.
Email - HomeMatic CCU Addon für den Email Versand.
Hm-print - CCU Programme drucken.
Hm-tools - Sammlung von Tools für RaspberryMatic.
Homeputer - $
Homematic-addon-hue - HomeMatic Addon für Philips Hue.
homematic_check_mk - Addon for the Homematic CCU2 or a Raspberrymatic device which acts as an check_mk_agent.
jq - jq packaged as Addon for the Homematic CCU3.
Mosquitto - Mosquitto packaged as Addon for the Homematic CCU3 and RaspberryMatic
rmupdate - RaspberryMatic Addon das RaspberryMatic selbst aktualisieren kann, vereinfacht die WLAN Konfiguration mit GUI und kann andere Addons ohne Zwangsreboot installieren und aktualisieren
Redis - Redis packaged as Addon for the Homematic CCU3 and RaspberryMatic
RedMatic - Node-RED als Addon für die Homematic CCU3 und RaspberryMatic. Liefert u.A. komfortable HomeKit-Integration und spezielle Nodes zur Anbindung der CCU an MQTT mit.
WebMatic - WebUI für die Homematic CCU.
XML-API - Vereinfachter CCU Zugriff via HTTP/XML.

Homebridge-homematic - Supports the Homematic System on HomeBridge Platform.
Homematic-Virtual-Interface - Virtual Interface for Homematic CCU with plugins to connect other devices to your CCU (e.g. Philips Hue).
Hm2mqtt.js - Interface between Homematic and MQTT.
Node-red-contrib-ccu - Node-RED Nodes for the Homematic CCU.

Check_homematic - Nagios/Icinga Plugin for checking Homematic CCU.
Hm-simulator - Simulates (partly) a Homematic CCU.
Hmcfgusb - Utilities to use the HM-CFG-USB(2) on Linux/Unix.
HMXMLBIN - Converter between BINRPC and XMLRPC.
Homematic-manager - Manage homematic interface processes (rfd/hs485d/homegear).
Language-homematic - Adds syntax highlighting and snippets to HomeMatic Script files in Atom.
occu-test - Automated System Tests of ReGaHss - the HomeMatic (O)CCU "Logic Layer".

Binrpc - Xmlrpc_bin protocol client and server Node.js module.
Homematic-rega - Node.js Homematic CCU ReGaHSS Remote Script Interface.
Homematicip-rest-api - Python wrapper for the homematicIP REST API (Cloud / Access Point Based).
Homematic-xmlrpc - Xmlrpc client and server Node.js module.
Pmatic - Python API for Homematic. Easy to use.
Pyhomematic - Python 3 Interface to interact with Homematic devices.