Have you ever wanted a drag and drop library that just works? That doesn't just depend on bloated frameworks, that has great support? That actually understands where to place the elements when they are dropped? That doesn't need you to do a zillion things to get it to work? Well, so did I!

jq is like sed for JSON data – you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

jq is written in portable C, and it has zero runtime dependencies. You can download a single binary, scp it to a far away machine, and expect it to work.

jq can mangle the data format that you have into the one that you want with very little effort, and the program to do so is often shorter and simpler than you’d expect.

Every major language has thousands of libraries which enable programmers to reach higher, further and faster than before. Package managers (the online systems for sharing code) are key to a language's success; Perl, PHP, Python, Ruby and Node.js all have strong offerings. But which one is the best and what can we learn from each of them? This article is the first in a two-part series where I review each package manager. Part one focuses on searching and using packages and part two will look at how easy it is to upload and share packages.

The definitive source of the best JavaScript libraries, frameworks, and plugins.

App.js is a lightweight JavaScript UI library for creating mobile webapps that behave like native apps, sacrificing neither performance nor polish.

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www.mathjax.org/, posted 2013 by peter in free javascript math software typography

MathJax is an open source JavaScript display engine for mathematics that works in all modern browsers. No more setup for readers. No more browser plugins. No more font installations… It just works.

Magnific Popup is a free responsive jQuery lightbox plugin that is focused on performance and providing best experience for user with any device (Zepto.js compatible).

Ever wanted to pin something to the side of a text? Ever needed a subtle sticky element to quietly hang around as you scroll down? jQuery.Pin is here to help! Pin any element to the top of a container. Easily disable it for smaller screen-sizes where there's no room for that kind of shenanigans.

Visualise your data in different ways. Each of them animated, fully customisable and look great, even on retina displays.

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