Debian Sources List Generator
http://debgen.simplylinux.ch/
Best BootStrap CSS Remark
https://getbootstrapadmin.com/remark/base/tables/basic.html
List of CSS FrameWork
http://usablica.github.io/front-end-frameworks/compare.html
jQuery Image Slider/Slideshow/Carousel/Gallery javascript+
www.jssor.com
Nice tool to validate number, currency and decimal input field.
https://github.com/SamWM/jQuery-Plugins/tree/master/numeric