Workless is a clean & classy HTML5, CSS3 framework that helps web designers to have their projects up fast without having to go through repetitive tasks.
Elusive Icons is a webfont that can be used with any of your projects. Bootstrap-based, Foundation-based or even your custom projects! It was created by the need for an Open-Source font that can be used in your projects without licencing issues and/or other “attribution” claws.
Dropzone.js is an open source library that provides drag’n’drop file uploads by simply including a java-script file. It views previews of images and you can register to different events to control how and which files are uploaded.
Pickadate.js is a fully responsive and lightweight jQuery dateinput picker or date picker. It is neat, simple and easy to use. You can also use different themes with it, which makes it an exciting tool for web developers.
MyBB is a robust open source bulletin board or forum software. One of the reasons of its popularity is that you can easily modify it with a working knowledge of HTML and PHP. Here are three simple MyBB modifications to make your forum more interesting and safe.
Gemicon is a free icon set, which include icons in 3 different sizes (16px, 32px, 64px) PNG files and as a separate Photoshop layer. Gemicon is totally FREE! The PNG and PSD icons include all common icons used for designing websites and apps. Icons are 256×256 pixels and currently available in black and white only.
Pligg is an open source CMS (Content Management System) that allows you to create Digg-like content sharing websites where users submit content, vote for/against submitted stories and connect with others. Here I have collected some great-looking free Pligg templates available on various sites, including Pligg Forum. The templates are in random order.
Free Photoshop Wireframe Kit is a great place to start your web design. The wireframe kit has most of the elements that you would need.
Forward is a developer-centric e-commerce platform which can be easily customised with coding, templates and expressive syntax. It has been developed as an alternative to the existing e-commerce CMSes that are way too complex to customise.
Google Web Font collection has plenty of interesting fonts. I tried to go through Sans Serif fonts in their collection and pick some good ones. You can use these fonts in your web design as well as graphics. It is not a comprehensive list, but includes those that grabbed my attention. Some of them are quite popular among designer community.