Viv and Google Home with Google assistant as new entries/upgrades in the "do more" voice assistant game. Now, a report says Apple will be expanding its limited Siri integrations with an SDK that will allow any developer to hook into the system. Presumably, we'll see that unveiled at WWDC in a couple weeks, since that is Apple's developer conference and where you'd expect to see an SDK.The Amazon Echo kind of flew under the radar for a bit. We recently saw
Additionally, Apple is supposedly working on a standalone piece of hardware like the Echo or Home. The rumor is that Apple has been working on this device since before Amazon released the Echo, but we're not too sure how believable that is. Either way, Apple is rumored to be working on a web-connected device with a speaker (Beats?) and integration with HomeKit. It will undoubtedly also have AirPlay support so it could work with Apple TV.
No word on when such a device might be released, but later this year would be a reasonable educated guess, if Apple has been working on it as long as reports claim.