Monkberry comes with powerfull templating engine, which is compiled to JavaScript.

Features

• Small 1kb minified & gzipped
• Simple, small learning curve
• Fully tested
• Precompiled templates
• Source maps
• Custom tags
• Blazingly fast (only necessary dom updates) 

800+ Free controls and frameworks for .NET (Windows Forms, WPF, ASP.NET MVC, ASP.NET Web Forms, LightSwitch, Silverlight, Windows Phone, WinRT, Windows 8), iOS, Android, Xamarin and JavaScript platforms 

A $15,960 value for FREE  

JavaScript keyword highlighting. Mark text with options for diacritics, synonyms, custom elements, custom class names, separate word search (multiple terms), exclusion selectors, accuracy, iframes and custom filter functions. Also available as jQuery plugin.   Demo

- No System.Web
- A Brand New Sleeker 2016 Model
- Feels More Natural
- It's One Of The Popular Kids
- Easier JavaScript Integrations
- Open Source
- Cross-Platform
- "We Ain't In Visual Studio Any More!"
- Healthy Community
- Unit Testable 

An Angular.js directive which allows you to perform any javascript actions (in the controller, or on the element) when an element is scrolled into or out of, the users viewport, without requiring any other dependencies.  Demo

From an intellectual property standpoint the increasing use of and lack of use of security around Javascript means there's quite bit out of code out there exposed and just aching to be stolen or otherwise tampered with. 

 This sample shows how to host the Edge Chakra JavaScript runtime in a non-IE application. The sample demonstrates creating the runtime, running scripts, creating host objects, handling callbacks, handling exceptions, debugging, and profiling. 

The latest version of the NetBeans IDE features a range of new tools for HTML5/JavaScript and supports mixed Java/C++ development. It is now available for download in beta.

Dropzone.js is a light weight JavaScript library that turns an HTML element into a dropzone. This means that a user can drag and drop a file onto it, and the file gets uploaded to the server via AJAX.  Demo

A speech recognition library for the web  Demo

• Real-time transcription
  • Use the provided grammar, or write your own
• 100% JavaScript implementation
  • All recognition is done in-browser through a Worker
  • Familiar event-inspired API
  • No external server calls