While good for simple effects, popular JavaScript libraries like jQuery lack the Oomph required to animate complex user interactions in the DOM.

JSTween was designed from the ground up for speed and precision, allowing it to handle more simultaneous animations while maintaining a silky smooth frame rate.

Major Features

• Performance – Built from the ground up to scream
• Precision – Animate complex interactions with ease
• Framerate – Frame smoothing means complex scenes appear more fluid
• jQuery – Hooks into jQuery for ease of use
• Easy to use – Get started quickly using it’s simple implementation

Timeliner.js is a free jQuery plugin for making simple historical timelines. It helps you build a simple, interactive, historical timeline with HTML, CSS, and jQuery.

Few major benefits of this timeline are:

• Fully accessible and 508 compliant (an original requirement)
• Able to handle nearly any form of content
• Printer friendly

Responsive GS is an open source fluid grid CSS framework for fast, intuitive development of responsive websites. Available in 12, 16 and 24 columns with media queries for all standard devices, clearfix, and optional reset.

Presenteer.js a very flexible HTML5 presentation library that works in one line of code, but is configurable with constructor options and many callbacks.

This HTML5 presentation library applies CSS3 transforms and transitions to a set of elements.

The presentation instance can then be interacted with using the mouse, or programatically with methods like presentation.start() and presentation.next().

Jigsoar Icons is a collection of beautifully crafted 60 free vector icons, specially designed for web.

The icon package contains PNG bitmaps in four sizes: 16px, 24px, 48px, and 64px. Each icon is in light and dark ready for you to use straight away in your project.

And if that doesn’t float your boat, the Illustrator vector file is included so you can remix our icons to suit your needs.

Font Awesome is a free icon font which contains a set of glyph icons, primarily designed to use with Twitter Bootstrap.

This free web font comes with 150+ icons, you can easily style icon color, size, shadow, and anything that’s possible with CSS.

Major Features

• Screen Reader Compatible
• Infinite Scalability
• Cross Browser Compatible

The Font Awesome webfont and CSS libraries are completely free for commercial use. It includes full instructions for using Font Awesome with or without Bootstrap.

Entypo is a set of 100+ carefully crafted free pictograms available as an OpenType font, vector EPS and web font.

The collection consists of many navigation elements and other easily recognizable icons. It works equally well in size 15, 20 or larger. Perfect for websites, applications and digital services.

The Entypo Pictogram Suite is absolutely free for personal and commercial use.

DateBox is a multi-mode date and time picker plugin for jQuery Mobile. It offers multiple data entry modes:

• Android style date picker
• Calendar style date picker
• Slide style date picker
• Flip Wheel style date or time picker
• 12 and 24 hour time picker
• Duration time picker

It comes with 4 different display modes, supports data-limiting of input and can be fully localized.

Greepit has previously shared Free Google+ PSD UI Kit and more than 200 Google+ PSD Interface Icons.

Today, we are sharing a framework to create Google+ Styled Buttons and Dropdown menus.

This is an easy to implement framework of Google+ styled buttons, icon buttons & dropdown menu buttons that look and work great in web applications.

Greepit has previously shared many Free GUI PSD Kits, few are listed for our readers.

• Free Android GUI Vector PSD (High Pixel Density)
• 30+ Photoshop Templates With Layered PSD Source Files
• Free Mobile UI PSD Elements: Mobility

Today, we are sharing Free Google+ GUI PSD Kit with Layered source files. The Google Plus GUI PSD is released under Creative Commons.

You can use it for all your projects for free and without any restrictions. You may modify the kit as you wish.