Slight's an in-browser document editor. It saves content using local storage, so it can be recalled the next time Slight is opened. It's got a minimal interface, so you can focus solely on your writing.
Check it out at: mackeyguenther.github.io/slight
Slight uses the Source font family by Adobe, available completely free for web use from here.
- This StackOverflow discussion
- Fontastic.me - my favorite icon font tool in all of the interwebs
- This jQuery color animation plugin by Edwin Martin
- FileSaver.js by Eli Grey
- This htmlEntities for JavaScript on CSS-Tricks