jQuery BBQ enables simple, yet powerful bookmarkable #hash history via a cross-browser window.onhashchange event.
In addition, jQuery BBQ provides a full jQuery.deparam() method, along with both fragment and query string parse and merge utility methods.
smartscroll is a tiny jQuery plugin that has these independent features:
Section scrolling (Scrolljacking), Auto-hash (Updates the URL hash based on current position on page) and Responsive.
Hashtegny is a jQuery plugin that aggregates "hashtags" from different social media networks like Twitter, Instagram, GooglePlus.
Posts are displayed in a unique, attractive, and animated layout with lots of features.