diff --git a/BigBoxOfHTML.md b/BigBoxOfHTML.md
index 0ba14ab..e43377b 100644
--- a/BigBoxOfHTML.md
+++ b/BigBoxOfHTML.md
@@ -5,6 +5,10 @@
- [webfont-test](http://webfont-test.com/) - Compare up to 3 fonts at once
- [Google Fonts on Github](https://github.com/google/fonts) - A repository that contains the fonts available on [Google Fonts](https://www.google.com/fonts).
+
## Packaging Tools
- [NW.js](http://nwjs.io/) - Previously known as `node-webkit`, this tool lets you package your HTML / CSS / JS app into a bundle (native for your target desktop platform) with Blink & Node.JS.
- [Electron](http://electron.atom.io/) - An alternative to the above. Looks to be smaller, but I don't really know how it works.
+
+## Other
+ - [SRI Hash Generator](https://srihash.org/) - Compute the SRI hash for the resource at a given url. See [cloudflare's blog post](https://blog.cloudflare.com/an-introduction-to-javascript-based-ddos/) (Scroll to the section on "Subresource Integrity") for more information.