Social Share Kit is a library of decent and good looking CSS/JavaScript social sharing tools like social network icons, share buttons, floating/sticky button bar and popups.
Social share kit is FREE for non commercial use.
Features:
Retina ready with font icons
Use standalone icons or in groups
4x sizing options
IE8+, Chrome, Firefox, Safari
No jQuery dependency
Mobile / Responsive sticky share icon bars
Bootstrap 3 glyphicons support
JavaScript for share and delayed popups included
Add more icons with LESS CSS mixins
Lightweight: Font – 6KB, CSS – 9KB, JS: 3KB

Social Share Kit