Recs.
Updated
SpecsUpdate
Pros
Pro Built-in plugin manager
Light Table has a plugin manager built directly inside of it. This plugin manager connects to Light Table's own registry of plugins, so whenever you want assistance while writing your HTML, JS, or even Python, just open up the plugin manager, search for it, and click the little install button beside it's name. And your plugin will be installed.
Pro Live code running reduce issues with programming
According to its authors, LightTable allows you to "watch your values flow through your code". This essentially means you could see your code running live AS YOU TYPE IT! This innovative feature makes life a lot easier for developers, because now with LT you can debug your code LIVE while writing it. This of course would lead to considerably lesser programming errors.
Pro No need to re-compile the whole source file
With Light Table's inline valuation you don't have to re-compile your whole source file each time you want to see an output. All you have to do is hover your cursor over the line you'd like to evaluate and press ctrl+enter
; Light Table will evaluate that line of code for you.
Pro Very good support for Elm with plugin
Elm is the statically typed alternative to JavaScript.