Motorola on Wednesday announced the Moto G, an unlocked, no-contract smartphone with an unlockable bootloader running Android 4.3, Jelly Bean, to be widely available next year. An 8-GB version will be offered for $179 and a 16-GB version for $199. The rollout began this week in Brazil and parts of Europe, and the device will come to the United States in 2014.

Google has unveiled the highly anticipated Nexus 5, its flagship smartphone running the new KitKat release of the Android OS. The Nexus 5, manufactured by LG, has a 5-inch 1080p display. At 4.59 oz., it is lighter and thinner than its Nexus predecessor. It’s also faster — it runs on the speedy Snapdragon 800 processor. It comes with an 8 MP rear camera and a 1.3 MP front-facing camera.

Motorola’s making a big splash with the launch of Project Ara, an ambitious, open source hardware initiative that allows consumers to customize their entire phone, down to the specific components and display. Ara’s approach centers around an endoskeleton, or “endo,” that is the core frame holding the other components together. Consumers will be able to swap modules however they like.

HTC launched its newest smartphone Tuesday, sporting a revamped interface and new entertainment features. The HTC One has a 4.7-inch display in an industrial-looking aluminum body. It also has a refreshed Sense interface, HTC’s take on the Android operating system. The One’s entertainment options include a 1080p Super LCD 3 display.