Need to quickly take notes while you're browsing the web? Just copy this piece of HTML into an open browser tab and you'll be good to go.

Also earlier this year, open source code repository software startup GitLab introduced an integration of the Koding web-based IDE. To try the text editor, open up the Google cloud console.

Adobe has released version 1.0 of Brackets, its free open-source text editor that's built in HTML, CSS and JavaScript, for coding HTML, CSS and JavaScript.