You will need version 4 or higher of `firefox` https://www.mozilla.org/firefox
to run Pencil as a Firefox Extension. Linux users will need version 4 or higher of either `firefox`, `iceweasel` or `xulrunner` https://developer.mozilla.org/en-US/docs/Mozilla/Projects/XULRunner,
or version 25 or higher of `palemoon` https://www.palemoon.org/.
The Windows installer and OS X archive has everything you need built-in. Windows, Linux, OS X & Firefox Packages are available for download from the Releases Page https://github.com/prikhi/pencil/releases.
You can also install the Firefox Add-on from the Mozilla Add-on Repository https://addons.mozilla.org/en-US/firefox/addon/pencil-prototyping/.
To install the OS X package, unzip the archive and copy the `Pencil.app` folder t
Underscore is a utility-belt library for JavaScript that provides a lot of the functional programming support that you would expect in Prototype.js (or Ruby), but without extending any of the built-in JavaScript objects. It's the tie to go along with jQuery's tux, and Backbone.js's suspenders.
tags: developer-tools javascript-library web-developmentLo-Dash is a drop-in replacement for Underscore.js that delivers performance improvements, bug fixes, and additional features.
tags: developer-tools javascript javascript-library web-developmentThe Database that Syncs!
tags: browser-based database javascript nodejs synchronizationThe JavaScript DatabaseAn opensouce library that brings database features into your JavaScript applications.
tags: browser-based database javascriptObject document mapper for JSON data that provides mongodb methods for querying and transformation as well as additional joining that is not provided by mongodb.
tags: database javascript-library json mapper mobile-apps-development