If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/alloystan/

File Font Version : 

1. Alloystan.otf
2. Alloystan.ttf
3. Alloystan.woff
4. Alloystan Italic.otf
5. Alloystan Italic.ttf
6. Alloystan Italic.woff