Socialight is a Vanilla.js library to get social network share counts of your links. Socialight support Facebook, Twitter, Google+, Linkedin, Pinterest and Buffer.

Github Widget is showing your github details that you can embed in any website.

share-this is a Medium-like text selection sharing that allows to create a simple interface to share selected text in a page, in the form of a small popover over the selected portion of text.

FaceMocion is a plugin to create Facebook emoticons with jQuery and CSS. It allows you to turn any text input emoticons on the page into cute little smiling faces.

InlineTweet.js allows you to easily create tweetable links out of any text on a webpage. Just wrap the tweetable text in a container with data-inline-tweet and it's ready.

Sharer.js is a lightweight javascript library to create custom social share components on DOM elements for your website. No dependencies. Sharer.js currently supports: Twitter Facebook Linkedin Google Plus Email What...

goodshare.js is an useful jQuery plugin that will help your website visitors share a link on social networks and microblogs or mobile messengers. Easy to install, SEO friendly, many options for customization of appear...

Jumbo Share is a jQuery Plugin that add social share buttons on your website with a counter.

Likely is the social sharing buttons that aren't shabby. It supports Twitter, Facebook, Google Plus, Pinterest, VKontakte (ВКонтакте), Odnoklassniki (Одноклассники) etc.

Instafeed is a simple way to add Instagram photos to your website. It's just plain javascript, also has many options and template option.