Wemo Light Switch/Dimmer Switch $10 off Various Sites, $39.99/$69.99
$10 off recently been applied to Wemo's light switch and dimmer switch, don't know if it's a promo or permanent MSRP change. Light Swith is now $39.99, Dimmer Switch is $69.99
These work with both Alexa and Google Home and don't require a hub.
Available at Belkin.com, Best Buy, Amazon, Walmart and B&H