You can use these fonts freely in your products & projects - print or digital, commercial or otherwise. However, you can't sell the fonts on their own. This isn't legal advice, please consider consulting a lawyer and see the full license for all details. (from Google Fonts website)
This Font is free to use and is licensed under the SIL Open Font License. The OFL allows the licensed fonts to be used, studied, modified and redistributed freely.
Font Awesome Free is free and open source font. You can use these font icons freely in your products & commercial projects. License.