ITEAD has just released a new Zigbee 3.0 dongle powered by the Silicon Labs EFR32MG21 wireless
SONOFF Zigbee 3.0 USB Dongle Plus-E Gateway, Universal Zigbee USB Gateway with Antenna for Home Assistant, Open HAB, Zigbee2MQTT etc, Wireless Zigbee 3.0 USB Adapter : Electronics
Zigbee 3.0 USB Dongle Plus–ZBDongle-E
REQUEST] Support for Silicon Labs EFR32 (Mighty Gecko family) based Zigbee radio adapters using EZSP serial protocols? · Issue #168 · Koenkk/zigbee-herdsman · GitHub
Zbd 04sifely Zb-gw04 Zigbee 3.0 Gateway Usb Dongle - Open Source Smart Hub
Compact NanoPi Neo3 SBC from FriendlyElec runs Linux on RK3328 and sells for $20+
Sonoff ZBBridge - Sonoff Zigbee Bridge from Itead - Hardware - Home Assistant Community
ITead Zigbee 3.0 USB dongle/stick/adapter based on Silicon Labs EFR32MG21 - Zigbee - Home Assistant Community
Zigbee 3.0 USB Dongle Plus–ZBDongle-E
ITEAD Zigbee 3.0 dongle powered by Silicon Labs EFR32MG21 wireless MCU Sells for $6.99