Github contributors avatars builder
Just use it as an image tag
<img src="https://gh-contributors.now.sh/img?org=facebook&repo=react"/>
Using size parameter
<img src="https://gh-contributors.now.sh/img?org=flutter&repo=flutter&size=16"/>
<img src="https://gh-contributors.now.sh/img?org=flutter&repo=flutter&size=40"/>