2. Sculpt Web development Tool
It is a free, lightweight, mobile first responsive HTML, CSS and SASS framework. It has the robust core of CSS and flexibility of SAAS as well as clean sematic code and focus on typography.
If Windows apps is what you are into then WinJS would be very handy but you can build sites with it too.
UXPin comes with versioning, wireframing, documenting etc to provide a full circle design process.
Apply live changes to CSS edits and image changes rendering refresh unnecessary.
It is a free open source wysiwyg HTML rich text editor.
It is a drag and drop interface builder based on bootstrap. They also give you some base templates to kick start your project.
It is a web-based one stop solution to browser-testing all be it desktop or mobile.
Rubygems.org is the ruby community’s gem hosting service where you can instantly publish your gems and install them.