If you think that Google is the only company working on a smart glasses, think again because today I'll be giving you a list of the best Google glass alternative:
It features a built-in camera and microphone, Wi-Fi, Bluetooth and light sensor and GPS, and it will be compatible with third-party applications thanks to the SDK.
- Epson Moverio BT-200
It features a front camera, a gyroscope, GPS, and also comes with its own App Store, and only 88 grams. It also support a dual-core processor 1.2 GHz and 1 GB of memory RAM, and includes 8 GB of internal memory, expandable to 32 GB via microSD card ASD, Wi-Fi, Bluetooth 3.0, DLNA and Miracast.

- VUZIX M100
They come running Android (Ice Cream Sandwich) and a width of a 16:9 screen, with 4 GB of internal storage, expandable by Micro SD, 1 GB of RAM, and processor TI OMAP-4430 (similar to Google Glass). It is also equipped with 5 mega pixel camera and 720p video recording.
- ORA OPTINVENT

And weighs 80 grams and its battery lasts about 8 hours. The rest of the specs are Bluetooth 4.0, Wi-Fi 802.11b/g/n with Miracast, GPS, 5 megapixel camera (with video recording 1080P), dual-core processor 1.2 GHz, 1 GB of RAM and 4 GB of storage, and Android 4.2 (Jelly Bean).
- METAPRO
The main feature is display area, it come up to more than 15 times compared to Google Glass, they also have 500 official application in it's store. The specs are also very good: Intel Core i5, 4 GB of RAM, 128 GB SSD, USB 3.0 and the battery lasts about 32 hours, and a weight of 180 grams only, even more, with the glasses you will be able to use Windows without a keyboard or mouse, or design 3D images just by moving your hands.
- RECON JET
It comes with a high resolution camera 720p, able to record video and connect to the cloud to store files in the same time. plus in comes with options 8/16 and 32 GB.