Build a Raspberry Pi Home Automation Hub using Mozilla's Things Gateway | Raspberry Pi HQ
Add Z-Wave LR (Long Range) to Raspberry Pi or Home Assistant Yellow with Zooz 800 Series USB stick or GPIO Module - CNX Software
Z-Pi 7 Z-Wave gateway devkit works with Raspberry Pi and Orange Pi Zero boards - CNX Software
Amazon.com: Z-Wave.Me RaZberry 7 Pro - Z-Wave Plug-On Module for Raspberry Pi (US Frequency), Great for DIY Smart Home. Compatible with Z-Way and Home Assistant Black : Electronics
RaZberry - A Raspberry PI based Z-Wave Controller
Amazon.com: Z-Wave.Me RaZberry2 - Z-Wave Plug-On Module for Raspberry Pi (US frequency) : Electronics
ZWAVE.ME RaZberry Extansion board ZWave for Raspberry Pi - SMARTHOME EUROPE